205 results about "Magnetic switching" patented technology

A rodeo event timing system having a neck collar adapted to extend around a neck of a calf, a first cable having one end affixed adjacent one end of the neck collar, a second cable having one end affixed adjacent another end of the neck collar, and a switch assembly secured to opposite ends of the first cable and the second cable. The switch assembly is adapted to separate when the ends of the neck collar separate so as to produce a start timing signal. The switch is a magnetic switch having a ball-and-socket configuration.

The invention discloses a sensor clamping mechanism and a mutual inductor crimping fault detection device and method, and relates to the technical field of mutual inductor detection. In a project verification process of an existing voltage-withstanding table and an error table, abnormal conditions such as inclination of a mutual inductor body, inaccurate tray positioning, abnormity of a magnetic switch, air leakage of an air cylinder air pipe and the like occur, so that a terminal stud of a test table cannot be in contact with a secondary side terminal of a mutual inductor to be tested; and detection interruption or false detection of a corresponding mutual inductor exists, so that the verification efficiency is reduced. According to the frame body, the measuring rod, the elastic piece and the sensor, the sensor can detect the relative displacement between the measuring rod and the frame body, if the relative displacement is within a normal range, the terminal stud is in successful crimping contact, and if the relative displacement exceeds the normal displacement range, the terminal stud has a crimping fault. Therefore, the system judges that the wiring terminal of the to-be-detected mutual inductor is failed in crimping with the wiring end, automatically identifies the crimping fault of the wiring end, and improves the operation efficiency of an assembly line.

The utility model discloses an electric overturning poly V-belt roller machine, which is mounted at a fireproof door and comprises a mounting bracket, a main conveying frame arranged on the mounting bracket, an overturning bracket and a driving component for driving the overturning bracket to overturn around the main conveying frame, a plurality of main conveying rollers are rotationally installed on the main conveying frame, a plurality of auxiliary conveying rollers are rotationally installed on the overturning support, the main conveying frame and the overturning support are rotationally connected through the adjacent auxiliary conveying rollers, and the driving assembly is an electric push rod and is provided with a magnetic switch. After the electric push rod extends, the overturning support is overturned to the horizontal position, accurate conveying of goods is guaranteed, and after the electric push rod retracts, it is guaranteed that the fireproof door is completely closed. Compared with the prior art that a rotating shaft is driven by a motor to turn over, the turnover mechanism has the advantages that the structure is simplified, the cost is reduced, the assembly steps are simplified, and the turnover stop position is more accurate.

The invention relates to the technical field of beacon lights, in particular to a beacon light capable of being installed through an unmanned aerial vehicle and the unmanned aerial vehicle. The beacon light comprises a beacon light body, a power module is fixed in the beacon light body, and a mounting groove is formed in the lower end of the beacon light body; a mounting groove is formed in the lower end of the beacon light body, a plurality of electromagnetic bolts which are distributed along the mounting groove in an annular array mode are arranged in the lower end of the beacon light body, a conical top base is fixed to the upper end of the beacon light body, and a magnetic switch is fixed in the conical top base and connected to a circuit between the power module and the electromagnetic bolts in series. The beneficial effects are that the unmanned aerial vehicle is utilized to realize automatic replacement of the beacon light device, an operator can perform remote operation without arriving at a site, the efficiency is high, manpower and material resources are saved, the operation safety is high, and the unmanned aerial vehicle has very high use value and popularization significance.

The invention provides a high-performance integrated electric actuator, and belongs to the technical field of automatic control. The motor drives the ball screw assembly to rotate through the transmission mechanism. The ball screw assembly is fixedly connected with the piston rod; the piston and the piston rod are assembled and then arranged in the main body cylinder barrel to do linear reciprocating motion; a self-lubricating structure is arranged on the inner wall of the main body cylinder barrel; a piston rod is rigidly connected with a nut of the ball screw assembly, a rod body penetrates through a guide sleeve at the front end of the body, and the front end of the piston rod is connected with a transmission load through a socket. A guide sleeve made of a thermal compensation material is arranged at the guide part of the piston rod; the magnetic switch is fixed outside the main body through a mounting groove or a screw and is aligned with the magnetic ring on the piston rod; the magnetic ring is embedded into the piston rod; and the anti-vibration supporting ring and the wear-resistant ring are arranged at the supporting part of the ball screw assembly. Stepless and multi-point positioning in a range can be realized according to working requirements, and multi-point free positioning is ensured.

The present invention relates to a solar light comprising a base body and an attachment element that can be placed on or inserted into the base body, wherein the attachment element comprises a light source and is movable relative to the base body. According to the invention, the attachment element comprises a magnetic switch, and the magnetic switch can be actuated by a magnet arranged on the base body by rotating the attachment element relative to the base body about a first axis, thereby moving the light source from an off position to an on position.

In a first aspect, embodiments described herein relate to a diving robot system for inspecting and / or scrubbing an object (e.g., a warship) in a marine environment. In some embodiments, the robotic system includes: a housing; a plurality of adhesive engines disposed within the housing; a plurality of adhesive engines disposed within the housing; a lighting device; and an image forming apparatus. In some applications, each adhesion engine comprises: a plurality of adhesion devices constructed and arranged to secure the system to the object; a magnetic switch motor for turning on and off the adhesion device; at least one scrubbing element; and a body rotation motor for moving the scrubbing element across a surface of the object.

The utility model relates to the technical field of water quality detection, in particular to an underground water fixed-depth sampling device which is internally provided with a sampling assembly, a magnetic switch assembly and a magnetic control assembly, the magnetic switch assembly is installed at the collecting end of the sampling assembly, and the magnetic control assembly is electrically connected with the magnetic switch assembly; the sampling assembly is used for collecting an underground water sample, the magnetic switch assembly is used for opening or closing the collecting end of the sampling assembly through the magnetic change of the magnetic switch assembly, and the magnetic control assembly is used for controlling the magnetic change of the magnetic switch assembly so as to keep the closed state of the collecting end of the collecting assembly before the collecting assembly reaches a specified depth; thus, closing and opening of the collecting end of the collecting assembly are controlled through the magnetic switch assembly, so that underground water at other depths is prevented from entering the collecting assembly, only underground water at a specified depth enters the collecting assembly, external heavy auxiliary equipment is not needed, and the device is convenient to move during multi-position sampling, so that the transportation cost and the labor cost are reduced.

The utility model discloses an automatic fire extinguishing device for an expressway tunnel rescue robot, which comprises an industrial robot, a fire extinguisher and an upper computer, the fire extinguisher is fixed at the lower part of a support frame, and a quick change device is connected between the upper surface of the support frame and the tail end of the industrial robot; the quick-change device comprises a quick-change main disc and a quick-change tool disc; the quick-change main disc is fixed at the tail end of the industrial robot through a connecting flange; the quick-change tool disc is fixed on the supporting plate, and the quick-change main disc and the quick-change tool disc are connected or disconnected through a piston type steel ball locking structure; an actuating mechanism cylinder is mounted below the supporting plate and is provided with a push rod, a cylinder air inlet / outlet and a magnetic switch sensor for sensing actuating signals of the actuating mechanism cylinder; the push rod is connected with a pressing handle at the top of the fire extinguisher, and the upper computer controls the opening and closing start-stop state of the actuating mechanism air cylinder according to actuating signals, obtained by the magnetic switch sensor, of the actuating mechanism air cylinder.

This invention relates to an automatic positioning and transfer system and method for a pulsed production line, belonging to the field of automated assembly lines for aerospace liquid engines. The automatic positioning and transfer system includes a control system, a conveying mechanism, a stop mechanism, a near-position sensor, a position sensor, a separation mechanism, a dedicated carrier, and a positioning and rotating mechanism. Based on the motion signals received by the control system from various magnetic switches, photoelectric sensors, etc., it further drives the conveying mechanism, detection and blocking mechanism, separation mechanism, positioning and rotating mechanism, and other actuators to achieve automatic workpiece positioning and transfer. It meets the construction requirements of pulsed, rhythmic production lines for liquid rocket engines and effectively solves the problems of low positioning accuracy and inability to achieve fully automated transfer found in previously disclosed automatic positioning solutions.

1. Name of the designed product: case (for magnetic switch). 2. Use of the designed product: case for switch. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo best indicating the design points: perspective view.

The present invention belongs to the technical field of magnetic materials, and specifically relates to a preparation method of a photo / thermal dual-mode switchable single-molecule magnet material. Dysprosium(III) chloride hexahydrate, 9-anthracene carboxylic acid, N,N-dimethylformamide and deionized water are mixed evenly. The mixture is placed in a 20 mL glass bottle. After hydrothermal reaction, it is naturally cooled to room temperature, filtered and washed to obtain the single-molecule magnet material. By utilizing the dual photoactive characteristics of the 9-anthracene carboxylic acid ligand, through the dual regulation mechanisms of photoinduced cycloaddition and electron transfer, while maintaining the integrity of the single crystal, the structural transformation of the single-molecule magnet from 0D to 1D is realized, and it is endowed with the dual magnetic switching functions of light control and thermal control, opening up a new way for the intelligent regulation and high-performance application of molecule-based magnetic materials. The preparation method has simple and efficient process, and the obtained substance has strong stability, is easy to scale up production, and has broad market prospects.

A magnetic medium is described which includes a thin film magnet structure formed of a ferromagnetic alloy or compound. The thin film magnet structure includes one or more ferromagnetic domains and is coupled to one or more optical structures. Each of the one or more ferromagnetic domains have a magnetization that is switchable between two or more states. Each of the one or more optical structures is configured to increase absorbance of light at a target wavelength in the thin film magnet structure, such that in response to illumination of a ferromagnetic domain with continuous-wave light including the target wavelength, that ferromagnetic domain undergoes all-optical magnetic switching.

The utility model relates to a construction elevator door lock which comprises a lock rod, a plug pin, a telescopic mechanism, a magnetic switch and a rotating mechanism, the lock rod is arranged on a first installation face, and a limiting hole is formed in the side, close to a second installation face, of the lock rod; the plug pin is arranged on the second mounting surface and is aligned to the limiting hole; the telescopic mechanism is connected with the bolt; the magnetic switch comprises a magnet arranged on the lock rod and a contact arranged on the second mounting surface; and the rotating mechanism is rotationally connected with the lock rod and the first mounting surface. According to the utility model, locking is carried out by driving the telescopic mechanism, the plug-in bolt and the lock rod. And moreover, the action is simple and convenient to realize, and the structure of the construction elevator door lock can be simplified. And whether the lock rod is locked or not can be judged through the magnetic switch.

The invention discloses an artificial antiferromagnetic coupling regulation and control method and device, and the method comprises the steps: growing a diamagnetic thin film on a photovoltaic substrate, and enabling the diamagnetic thin film to be of a sandwich type structure; visible natural light irradiation is carried out on the sandwich type structure, the photovoltaic substrate absorbs natural light to generate photo-induced electrons, the photo-induced electrons are migrated to the antiferromagnetic layer, and the antiferromagnetic thin film is adjusted. Through on / off of visible light, complete reversible magnetic switching of an antiferromagnetic state (AFM) and a ferromagnetic state (FM) can be achieved, and a highly flexible and controllable magnetic state transition mode is provided for application of magnetic materials in the fields of storage and the like. Visible light control of a 180-degree deterministic magnetization switch with a tiny bias magnetic field is achieved, the determinacy is crucial to accurate information storage and processing, accurate switching of magnetic states can be ensured, and the reliability of storage and processing is improved.

A magnetic switch includes a magnetic field sensing system configured for performing a measurement of the component of the magnetic field in at least two different directions and providing a signal representative of the measurement. A comparator allow to sequentially compare the signal with a respective threshold value. The comparator are adapted to provide a first threshold value being a predetermined value for a first comparison wherein the switch is configured to repeat the comparison using the signal representative of the measurement in a different direction and a respective threshold value. The comparator are further adapted to provide a further threshold value for the further comparison. The threshold value is chosen in accordance with at least one measurement of the component of the magnetic field used in a previous comparison. The magnetic switch also comprises a connection to output the result of at least one comparison.

The invention provides a wireless sensor and a power supply control circuit and method thereof, and an operation machine, the circuit comprises a magnetic trigger circuit, the magnetic trigger circuit comprises a magnetic switch, when an external magnet approaches the magnetic switch, the magnetic trigger circuit outputs a reference voltage to supply power to the wireless sensor; the delay control circuit is used for sending an enabling control signal or a de-enabling control signal according to the reference voltage output by the magnetic trigger circuit; the self-hold circuit receives the enable control signal or the de-enable control signal, and when the enable control signal is received, the self-hold circuit controls to output a reference voltage so as to supply power to the wireless sensor; a magnetic triggering mode is adopted, a mechanical button or an exposed contact is not needed, overall encapsulation is allowed, the waterproof, dustproof and explosion-proof performance is improved, power is supplied by triggering a self-holding circuit, the requirements for low-power-consumption, long-time and high-safety work of the sensor are met, and meanwhile the frequency and cost of battery replacement are reduced.

The present disclosure generally relates to topological semi-metal (TSM) and topological insulator (Tl) based spin-orbit torque (SOT) devices and a method of forming thereof. Tl or TSM-based SOT device (such as that with BiSb in the SOT layer) has been proposed for applications in magnetic switching and sensor applications, where current flows in a CIP (current-in-plane) or CPP (current-perpendicular-to-the-plane) direction, respectively. For CPP SOT devices, the requirement for the Tl or TSM layer's bulk property is to be more insulating, to minimize shunting. However, for CIP SOT devices, the requirement for the Tl or TSM layer's bulk property is to be more conductive, for less power consumption. Disclosed herein are various embodiments covering types and amounts of dopants for the Tl or TSM layer, to decrease the bandgap of the Tl or TSM layer for CIP SOT devices, thereby increasing the bulk conductivity for lower power consumption.

The utility model discloses an abnormal room entering monitoring device, which comprises an alarm, an inductor and a PCBA (Printed Circuit Board Assembly) mainboard which are arranged oppositely, the alarm comprises a shell, an infrared sensor, a Hall switch and a voice alarm module, the infrared sensor, the Hall switch and the voice alarm module are controlled by the PCBA mainboard, the Hall switch is inducted with the inductor, and the voice alarm module is connected with the shell. When the Hall switch is separated from the sensor and / or the infrared sensor senses a human body signal, the voice alarm module gives a voice alarm, the voice alarm module comprises a loudspeaker and a recording chip, the loudspeaker and the recording chip are both controlled by the PCBA mainboard, and the voice alarm module is connected with the PCBA mainboard. And a permanent magnet corresponding to the Hall switch is arranged in the inductor. According to the utility model, the infrared induction and the magnetic switch are combined in the alarm, and the device can simultaneously induce the opening and closing states of doors and windows and whether a person enters a room, thereby greatly improving the alarm accuracy and providing more comprehensive safety guarantee.

The present invention discloses a graphene slurry pressure transmission cylinder, which comprises a cylinder body. Both ends of the cylinder body are sealed by end covers. A rodless piston is arranged inside the cylinder body, and the rodless piston divides the inner cavity of the cylinder body into a slurry cavity and a high-pressure water cavity. One end of the cylinder body is provided with a discharge pipe and a feed pipe, and the other end thereof is provided with a water discharge pipe and a water inlet pipe. Electric control valves are respectively arranged on the discharge pipe, the feed pipe, the water discharge pipe and the water inlet pipe. A magnetic switch for detecting the position of the rodless piston is arranged on the cylinder body; the magnetic switch comprises an induction magnetic block, a left Hall element and a right Hall element. The induction magnetic block is installed on the rodless piston, and both the left Hall element and the right Hall element are arranged on the cylinder body; A combined sealing ring is arranged between the end cover and the inner side wall of the cylinder body. The present invention provides a graphene slurry pressure transmission cylinder, which can pressurize the graphene slurry to a super high pressure exceeding 250 MPA without changing the structure of the existing plunger pump.

The utility model provides an electromagnetic coil assembly and semiconductor processing equipment. The electromagnetic coil assembly comprises a direct current power supply; an electromagnetic coil; the current steering device is connected between the electromagnetic coil and the direct-current power supply; the current steering gear comprises a first magnetic switch and a second magnetic switch, and the first magnetic switch and the second magnetic switch comprise a movable contact, a normally open contact and a normally closed contact; a movable contact of the first magnetic switch is connected with a first end of the electromagnetic coil, and a normally open contact and a normally closed contact are respectively connected with a positive electrode and a negative electrode of the direct current power supply; a movable contact of the second magnetic switch is connected with the second end of the electromagnetic coil, a normally open contact and a normally closed contact are connected with the negative electrode and the positive electrode of the direct-current power source respectively, and the first magnetic switch and the second magnetic switch are switched synchronously. The current direction of the electromagnetic coil can be conveniently controlled, and the stability of the deposition process and the product quality are improved.

The utility model provides an aerosol generating device which comprises a main machine shell and a medium box, the main machine shell is provided with a containing cavity, the main machine shell and the medium box are respectively provided with a magnetic piece and a magnetic switch circuit, and when the medium box is installed in the containing cavity of the main machine shell, the distance between the magnetic switch circuit and the magnetic piece changes. The magnetic switch circuit switches the switch state and outputs the electric signal representing whether the medium box is installed at the preset position or not, whether the medium box is installed in place or not can be determined based on the electric signal, the aerosol generating device can further heat the medium box after the medium box is installed in place, and therefore aerosol is generated for a user to use. The problems of high safety and high energy consumption caused by failure or no detection of a traditional medium box installation detection mode are solved, and the safety and the working reliability of the aerosol generating device are improved.

This invention discloses an output overcurrent protection circuit and a switching power supply. The circuit includes a first overcurrent protection circuit and a second overcurrent protection circuit, which forms a heterogeneous redundant output overcurrent protection circuit with the first overcurrent protection circuit. The second overcurrent protection circuit includes a second switching module, a second comparison control module, and a second current sampling module. The first switching module uses a magnetic switch, and the second switching module uses a semiconductor device switch; or the first switching module uses a semiconductor device switch, and the second switching module uses a magnetic switch, thereby forming a heterogeneous dual-switch overcurrent protection circuit. This invention uses a semiconductor device switch in the second switching module of the second overcurrent protection circuit that is different from the semiconductor device switch in the first switching module of the first overcurrent protection circuit, effectively avoiding the possibility of the same type of device exhibiting the same failure condition in a specific environment, greatly increasing the reliability of the protection function.

The invention provides a switching valve with a magnetic attraction function. The switching valve comprises a water outlet seat, a switching valve body and a magnetic attraction assembly. The water outlet seat comprises a water inlet channel, a mounting cavity and at least two water outlet channels. The switching valve body is installed in the installation cavity and comprises an exposed operation part. The magnetic attraction assembly comprises a first magnetic attraction piece and is arranged at the operation portion of the switching valve body. A second magnetic attraction piece is arranged on the periphery of the water outlet device, and the water outlet device is attracted to the water outlet base through the second magnetic attraction piece and the first magnetic attraction piece. According to the magnetic switching valve main body mechanism, the magnetic component and the switching valve main body are integrated on the same valve body, the position of the magnetic component does not need to be reserved and designed, the structure is simpler, and the problems that a traditional switching valve is single in function and crowded in layout with other functional structures during installation are solved.

The utility model relates to a door opening interrupting device for a connection table, which belongs to the technical field of connection tables and comprises a first control device, a second control device and a magnetic inductive switch, the magnetic inductive switch is respectively and electrically connected with the first control device and the second control device, the first control device comprises a PLC (programmable logic controller) 1, and a Y0 end of the PLC 1 is connected with one end of the magnetic inductive switch. The other end of the magnetic induction switch is connected with the second control device, the magnetic induction switch is additionally arranged on the connection table protective cover, and the magnetic switch is connected to a board solving signal of a front machine of the connection table, so that external foreign matters are effectively prevented from entering the connection table and falling on a PCB (printed circuit board).

The utility model discloses a wharf cable trough rain sewage collecting system, which comprises a cable trough and a control electric box, a first water outlet and a second water outlet are arranged in the cable trough, a main water collecting pipe is arranged below the first water outlet, and the second water outlet is connected with the upper part of the main water collecting pipe through a pipeline. The lower portion of the main water collecting pipe is connected with a water pump through a water pump water inlet pipeline, and a water pump water outlet is connected with a wharf rain sewage collecting box through a water pump water outlet pipeline. A magnetic turning plate liquid level meter is arranged on one side of the main water collecting pipe, and binding type magnetic switches are arranged at the upper end and the lower end of the magnetic turning plate liquid level meter. The device is reasonable in design and small in installation space, the magnetic turning plate liquid level meter and the binding type magnetic switch are used for controlling operation of the whole system, the situation that rain sewage is directly discharged due to leakage of part of cable groove sections is eradicated, and potential safety hazards are reduced.

The utility model discloses a rewinding machine for electronic aluminum foil machining. The rewinding machine comprises a motor reduction gearbox, a reduction gearbox shaft, a first coupler, a second coupler, an air swelling shaft, a locking block, an air cylinder and a control system. The first coupler and the second coupler are matched to connect the reduction gearbox shaft with the air swelling shaft, and the motor reduction gearbox drives the reduction gearbox shaft to rotate, so that the air swelling shaft rotates along with the reduction gearbox shaft; the locking block is connected with the left end of the first coupler through a bearing; the cylinder is connected with the lower end of the locking block through a connecting rod, a piston rod of the cylinder is pushed rightwards, and a magnetic switch is arranged at a certain position of the cylinder and can trigger a control system to adjust the working state of the cylinder when sensing that the piston rod of the cylinder moves to a certain position, so that the cylinder pushes the locking block and the first coupler to the second coupler together through the connecting rod. Therefore, the locking effect is achieved. According to the rewinding machine, the coupler can be automatically controlled and locked, the intervention operation of manual participation in coupler disengagement is reduced, the personal safety risk is reduced, and the production effect is improved.

The utility model discloses a sample preservation box which comprises a first box inner space, a second box inner space, a box body, a cover, a temperature sensor, a temperature adjusting module, a humidity sensor, a humidity adjusting module and a plurality of Hall magnetic switches. The temperature of the space in the second box can be adjusted and controlled, when multiple samples need to be stored, different requirements of different samples for humidity and temperature can be met, the samples are prevented from being damaged and polluted, meanwhile, multiple sample storage boxes do not need to be used for storing different samples, and resources are saved. Moreover, when humidity is regulated and controlled, a fan and silica gel are adopted for humidity regulation, so that the humidity in the air can be reduced more uniformly, and the device is simple, convenient and higher in practicability. In addition, the Hall magnetic switch is used for monitoring the opening state of the cover to control the working states of the temperature sensor, the temperature adjusting module, the humidity adjusting module and the humidity sensor, and resources are saved.

The utility model relates to a steering wheel switch capable of generating roller hand feeling through magnetic force, which comprises a shell, a PCB (printed circuit board), a support and rollers, the PCB and the support are mounted in the shell, and a magnetic switch is mounted on the PCB; the roller is rotatably installed on the support, a magnet frame is rotatably installed at the bottom of the support, a gear assembly is arranged on the support, the roller drives the magnet frame to rotate through the gear assembly, a magnet ring is fixedly installed on the magnet frame, the magnet ring synchronously rotates along with the magnet frame, and the magnet ring on the magnet frame corresponds to a magnetic switch on a PCB. The magnetic switch is used for detecting the magnetic field intensity and direction of the magnetic ring, and the support is provided with magnets on two sides of the magnetic ring. The magnetic ring and the magnet block are not in contact, physical friction is avoided, the service life is prolonged, good performance can be kept for a long time, and therefore the effect of simulating the hand feeling of a traditional roller is achieved.

The utility model relates to the technical field of detection devices, in particular to an OBD (On-Board Diagnostic) plug plugging and unplugging detection device, which comprises a detection frame, a fixing assembly, a plugging and unplugging device and a clamping device, a fixing assembly is arranged on the bottom face of the detection frame, the plugging device is vertically and fixedly arranged on the detection frame, the output end of the plugging device faces downwards and is fixedly connected with a clamping device, and the plugging device comprises an air cylinder, a magnetic switch, an electromagnetic valve and a controller; magnetic switches are arranged on the outer sides of the two ends of the air cylinder, the air inlet end of the electromagnetic valve is connected with an air supply machine through an air inlet pipe, the two air conveying ends of the electromagnetic valve communicate with direct-current valves at the two ends of the air cylinder through air conveying pipes correspondingly, and the magnetic switches and the electromagnetic valve are electrically connected with the input end and the output end of a controller correspondingly; automatic reciprocating plugging and unplugging testing of the OBD plug can be realized, and standardization and wide application are easy to realize; the labor intensity of workers is reduced, the detection efficiency is improved, and the test reliability is ensured while the whole plugging test period is shortened.