268 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 utility model relates to the technical field of flow meters, in particular to a pointer adjusting type dry contact metal tube float flow meter alarm switch which comprises an alarm pointer, a shell is sleeved outside the alarm pointer, one end of the alarm pointer is connected with a magnetic switch, a supporting seat is arranged inside the shell, and a magnet is arranged at one end of the supporting seat. When the flow of the flow meter reaches a preset threshold value, the magnetic substance in the metal pipe triggers the ferromagnetic material in the reed pipe, so that the circuit in the reed pipe is closed, the magnetic switch and the alarm pointer are triggered at the moment, and then the flow meter outputs an alarm signal. A dry contact signal of the reed switch is controlled through the magnet, the reed switch can be directly connected into an electrical loop in series, an external power supply is not needed, an isolation gate or a relay is not needed, electric sparks are not generated when the reed switch is used as the dry contact signal during triggering, and therefore contact abrasion and electric arcs are not caused.

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.

The invention discloses a tobacco equipment belt deviation warning device, including: a belt deviation detection device and an alarm device; the belt deviation detection device includes: a rotating base is a T-shaped structure, a magnetic switch is installed at one end of the horizontal side of the rotating base, and a spring push rod is installed at the other end of the horizontal side of the rotating base; the middle part of the support rod is fixed at the intersection of the horizontal side and the vertical side of the rotating base; the upper part of the support rod is fixedly connected to the top fixing block, and the top fixing block is fixed to one side of the protective cover of the equipment belt; the alarm device includes: after the PLC control system receives the signal from the belt deviation detection device, the control output terminal of the PLC control system outputs a 24V high level, controls the intermediate relay to be attracted, and realizes the power supply of the alarm indicator light. The technical content disclosed by the invention is that the belt deviation detection device and the alarm device are used in combination, and the belt can complete the deviation detection without implanting a metal segment, thereby reducing the belt production cost.

The invention relates to a magnetic control fast switch and dynamic voltage restorer combined power supply switching system and method. The system comprises a magnetic control switch unit, a voltage monitoring unit, a voltage compensation unit and an arc extinguishing unit. The magnetic switch unit is made of a novel magnetic control material and forms a vertical motion opening and closing mechanism through excitation and demagnetization of a built-in coil and assistance of a spring, and the vertical motion opening and closing mechanism is used for changing an internal magnetic domain and rapidly opening and closing. The voltage detection unit adopts a double-second-order generalized integral phase-locked loop voltage monitoring structure and is used for detecting instantaneous phase and frequency information of power grid voltage; the voltage compensation unit adopts a dynamic voltage restorer and is used for performing voltage compensation according to a difference value between a current power supply and an objective table power supply in a power supply switching gap so as to effectively maintain the stability of load voltage when voltage sag occurs in a power grid; and the arc extinguishing unit adopts a T-shaped double-outlet vacuum arc extinguishing chamber and is used for realizing zero arc in the whole power supply switching process. According to the invention, rapid switching of the power supply can be realized, and continuous voltage is ensured in the switching process.

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.

According to the printing ink viscosity detection equipment provided by the utility model, in the working process of the printing ink viscosity detection equipment, a large amount of to-be-tested printing ink is contained in the test box and the printing ink box. The driving air cylinder drives the driving piston to be inserted into the testing box through the driving shaft, part of to-be-tested printing ink in the testing box is injected into the printing ink box through the output port, the output pipe and the injection port, and meanwhile part of the to-be-tested printing ink in the printing ink box flows back into the testing box through the outflow port, the backflow pipe and the backflow port. The detection end of the magnetic switch is used for detecting the reciprocating motion frequency of the driving shaft on the driving air cylinder. It needs to be explained that a function relationship exists between the reciprocating motion frequency of the driving shaft and the viscosity value of the ink; and the control mechanism calculates the obtained reciprocating motion frequency of the driving shaft or compares the obtained reciprocating motion frequency with information in a database to obtain a corresponding ink viscosity value, and the ink viscosity value is displayed through a display. The ink viscosity detection equipment is simple and exquisite in structure and low in cost.

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.

The invention relates to fan equipment and a fan equipment light control method and system. The fan equipment light control method comprises an air duct, a lamp strip, a magnetic part, a motor, a current detection assembly and a control assembly. The motor is connected with the air duct, the current detection assembly and the control assembly. The control assembly is connected with the current detection assembly and the lamp strip. The lamp strip is arranged on the surface of a shell of the fan equipment, the lamp strip comprises a plurality of light-emitting units, and each light-emitting unit comprises a corresponding magnetic switch; the air duct is arranged in a shell of the fan equipment, and the magnetic part is arranged on the air duct and rotates along with rotation of the air duct. The motor is used for driving the air duct to rotate. The current detection assembly is used for detecting working current of the motor. The working current of the motor is detected, the motor is controlled to drive the air channel to drive the magnetic part to rotate after the motor is started, the light-emitting units on the path are lightened in sequence in the rotating process of the magnetic part, and linkage control over the lamp strip and the fan air channel can be achieved.

The utility model relates to a magnetic switch with high applicability, which comprises a shell, a mounting cavity is arranged in the shell, a magnet, a guide seat and a sealing seat are sequentially arranged in the mounting cavity from top to bottom, a glass tube is arranged between the guide seat and the sealing seat, two ends of the glass tube are respectively sealed with the guide seat and the sealing seat, a sealing space is formed in the glass tube, and the sealing space is arranged in the mounting cavity. A main lead, a first auxiliary lead and a second auxiliary lead which penetrate through the sealing seat to enter the sealing space are arranged on the lower side of the shell, a metal connecting piece is further arranged in the sealing space, a connecting assembly which penetrates through the guide seat and is connected with the metal connecting piece is arranged on the lower side of the magnet, and a compression spring is arranged between the magnet and the guide seat. The main lead is provided with a contact piece used for making contact with the left end of the metal connecting piece, the first auxiliary lead is connected with an upper contact end located on the upper side of the right end of the metal connecting piece, the second auxiliary lead is connected with a lower contact end located on the lower side of the right end of the metal connecting piece, the two closed loops can be selectively used according to requirements, and the applicability is higher.

1. Name of the product of this design: Magnetic switch (SK‑73D). 2. Purpose of this design product: This design product is used as a magnetic switch, a switch for cylinder stroke control. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

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.

A premixing device provided with a butterfly valve 62 driven by a stepping motor 621 in an air supply passage 6 includes a detection means 9 composed of a magnet 91, a magnetic switch 92, and a magnetic shielding plate 93 rotating together with the butterfly valve, the premixing device being configured so that when the butterfly valve enters a rotation range between an open position and a predetermined state close thereto, the magnetic switch is turned on. Even if a malfunction occurs in which the butterfly valve is locked within the rotation range where the magnetic switch is turned off just before the butterfly valve reaches a closed position, this malfunction can be detected.　The butterfly valve 62 is rotated from the close position to the open position to ascertain the number of steps of the stepping motor 621 when the magnetic switch 92 is switched from off to on. If the number of steps is deviated by a predetermined value or more from the reference number of steps required for rotating the butterfly valve 62 from the close position to the predetermined position, it is determined that an abnormality is present.

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.