24 results about "Static core" patented technology

The utility model provides an electromagnetic valve provided with a position feedback device. The electromagnetic valve comprises a static iron core, a movable iron core; the electromagnetic coil generates a magnetic field to drive the movable iron core to move after being electrified; a first cavity is formed in the valve shell, the first cavity is provided with an inlet connector and an outlet connector, and the first cavity is used for in and out of fluid; the valve element is arranged in the first cavity and connected with the movable iron core, and the movable iron core drives the valve element to switch positions so as to switch working channels of fluid; the magnet assembly is used for generating a stable magnetic field, and the magnet assembly synchronously moves along with the movable iron core; and the feedback assembly is fixed to the valve shell, and the feedback assembly is used for sensing the magnetic field intensity change of the magnet assembly so as to accurately position the switching position of the valve element and feed back the positioned switching position information of the valve element to a client side. Compared with the prior art, the device has the functions of accurately positioning and feeding back the product switching position, so that whether the electromagnetic valve installation product breaks down or not can be quickly and accurately judged.

A magnetic circuit part of the relay comprises a yoke assembly, a coil assembly, a metal shell, a first static iron core and a movable iron core, the yoke assembly comprises a first wall and a second wall which are oppositely arranged, the first wall is provided with a first hole, a first opening is formed in the first end of the metal shell, and a second opening is formed in the second end of the metal shell; the first hole is opposite to the first opening along the axial direction of the push rod; at least one part of magnetic lines conducted between the first static iron core and the second wall penetrates through the second opening, the surface, facing the first wall, of the first static iron core is provided with a concave part, the movable iron core comprises a first magnetic conductive part and a second magnetic conductive part, and the first magnetic conductive part is provided with a magnetic pole face facing the first wall; the second magnetic conductive part is connected to the side, back to the magnetic pole face, of the first magnetic conductive part, at least part of the structure of the first magnetic conductive part is located in the metal shell and located outside the sunken part, and at least part of the structure of the second magnetic conductive part is located in the sunken part. According to the relay, the pull-in voltage can be reduced while miniaturization is considered.

The utility model belongs to the technical field of electromagnets, and particularly relates to a coin-inserting control switch electromagnetic lock, which comprises a shell, a coin-inserting control switch and a coil-inserting control switch, the coil assembly is arranged in the containing cavity, and a static iron core and a movable iron core are arranged in the coil assembly; the shell is provided with a reset assembly used for resetting the movable iron core. Two mounting holes are formed in the same side wall of the shell, and a straight line formed by connecting the circle centers of the two mounting holes is parallel to the moving path of the movable iron core; the same side wall of the shell is provided with the two mounting holes, and the straight line formed by the connecting line of the circle centers of the two holes is just parallel to the moving path of the movable iron core, so that the design ensures that the moving path of the movable iron core can be accurately aligned when the electromagnet is mounted; therefore, misoperation and abnormal triggering conditions caused by tiny deviation of the installation position are avoided, the overall use effect of the electromagnetic lock is improved, and the efficient and safe performance of the electromagnetic lock in various application scenes is ensured.

The invention discloses a double-helix spring integrated manufacturing device based on rotational-flow-free state forming, and relates to the technical field of spring forming. The device comprises a machine tool, a first-stage rotational-flow-free forming unit, an inter-stage guide channel and a second-stage winding forming unit, the first-stage rotational-flow-free forming unit comprises a first-stage core rod mounting seat, a first-stage core rod, a planetary wire guide nozzle, a first-stage rotation driving mechanism and a material pushing element, and a topological structure that the core rod is static and metal wires are wound is adopted; a metal wire is wound on a static primary core rod through a rotary planetary wire nozzle, a coil wound to be formed is continuously extruded in the direction of an interstage guide channel in cooperation with a material pushing element, and an output primary spring does not have any rotation component and is output in a linear translation fluidization mode, so that the metal wire can smoothly enter the subsequent static interstage guide channel, and the production efficiency is improved. The secondary core rod is convenient to wind to rotate, the problem of interstage rotation interference is thoroughly solved, continuous and integrated forming of the double-spiral spring is achieved, and the production efficiency is improved.

The utility model relates to a quick response release which comprises a framework, a magnet yoke, a static iron core, a magnet, a coil and a driving module are arranged on the framework, the static iron core is connected with the magnet, a movable iron core is arranged in the coil, the coil generates an electric field to drive the movable iron core to move, and a push rod is arranged at one end of the movable iron core. The driving module at least comprises a first driving circuit and a second driving circuit, the first driving circuit and the second driving circuit are both electrically connected with the coil, the driving module receives a first driving signal, the first driving circuit provides forward electric energy for the coil, and the movable iron core and the static iron core are attracted; the driving module receives a second driving signal, a second driving circuit provides reverse electric energy for the coil, and the movable iron core is separated from the static iron core. According to the utility model, switching-on or switching-off requirements are realized through switching of the first driving circuit and the second driving circuit, thrust is provided for the movable iron core through the magnetic field generated by the coil and the spring at the same time, the switching-off speed can be improved, the switching-off time can be reduced, and the high requirement of rapid switching-off can be met.

The utility model provides a control module of a contactor, which comprises a control module shell, a static iron core and a coil are arranged in the control module shell, the coil is arranged between a movable iron core and the static iron core, the movable iron core is arranged on a movable iron core supporting piece, the movable iron core supporting piece is connected with the control module shell in a sliding mode, and the static iron core is arranged on the movable iron core supporting piece. The movable iron core supporting piece is provided with a first linkage part, and the first linkage part is detachably connected with the contact support. Through modularized design of the electromagnetic system, the number of parts can be reduced, management is convenient, disassembly and replacement are convenient after the contact breaks down, and cost is saved.

The utility model provides a permanent magnet type electromagnetic system and a contactor. The permanent magnet type electromagnetic system comprises a static iron core, two coil windings, a movable iron core, a contact supporting piece, a reset piece and a magnetic conduction driving assembly. The two coil windings are arranged on the static iron core, the movable iron core is arranged opposite to the static iron core in the first direction, the contact supporting piece is connected with the movable iron core, and the magnetic conduction driving assembly is connected with the contact supporting piece. A first magnetic field force is generated between the magnetic conduction driving assembly and the static iron core, a second magnetic field force is generated between the movable iron core and the static iron core, and a third magnetic field force is generated between the static iron core and the coil winding. The reset piece is arranged on the side, away from the contact supporting piece, of the magnetic conduction driving assembly and exerts reset force in the direction of the movable iron core on the magnetic conduction driving assembly. The first magnetic field force is the same as the reset direction, the third magnetic field force is opposite to the first magnetic field force, and the second magnetic field force is opposite to the first magnetic field force. The moving stroke of the movable iron core can be effectively improved.

An electromagnetic system and a switching device, the electromagnetic system comprises a coil assembly, a static core and a moving core, the coil assembly comprises a coil framework and a coil wound outside the coil framework, the static core is fixedly arranged on the coil framework and arranged along the outside of the coil assembly, the moving core slides through the central hole of the coil framework and leaves at least two magnetic gaps between the static core, the moving core is also connected with a linkage, the linkage slides through the central hole, and both ends of the linkage extend to the outside of the both ends of the central hole as driving parts respectively. In the utility model, there are at least two magnetic gaps between the static core and the moving core, the driving force of the moving core is guaranteed, the design that the linkage penetrates the central hole makes that both ends of the linkage can be used for driving the contact system, and the electromagnetic system can drive more contact systems simultaneously.

The application provides an electromagnetic control mechanism and an electromagnetic valve. The electromagnetic control mechanism comprises a coil support, a sleeve and a static core. The static core is fixedly connected or positionally connected with the sleeve. The sleeve has a first end and a second end at two axial ends thereof. The static core penetrates the first end. A part of the static core is located inside the sleeve, and another part of the static core is located outside the sleeve. The coil support is provided with a connecting hole part. The connecting hole part is at least partially sleeved outside the static core and is in interference fit with the static core. The electromagnetic valve comprises a valve seat and the above-mentioned electromagnetic control mechanism. The valve seat is provided with a first valve port part and a second valve port part. The electromagnetic control mechanism can control the first valve port part to be opened or closed. The application avoids the problems that the coil support is difficult to assemble, the coil support is easily damaged during the assembly process, the coil support is easily displaced or even falls off after the assembly is completed, and the installation firmness of the coil support is ensured, so that the electromagnetic control mechanism has high reliability.

The application discloses an electromagnetic cylinder and an assembling tool thereof, wherein the electromagnetic cylinder comprises a support part, a magnetic core part and a circuit part; the support part comprises a U-shaped yoke, a yoke plate and a static core; the magnetic core part comprises a wire holder, a push rod, a moving core, a coil and an elastic component; the circuit part comprises a PCB, a terminal and a shell; the PCB is electrically connected with the coil through the terminal; when the coil is electrified, the moving core is attracted and pulls the push rod to move close to the static core; when the coil is de-energized, the moving core is released and the push rod is reset by the elastic component; the electromagnetic cylinder is compact in structure, which is beneficial to reducing the volume of the electromagnetic cylinder; moreover, the assembling of the PCB forms a stable mounting structure of three-point fixed connection, which is beneficial to improving the reliability; in addition, since the connecting modes of the components are cutting riveting, expanding riveting, buckling and sleeving, no thread hole is used, the process cost is reduced, the structure is simplified, the volume is reduced, and the electromagnetic cylinder is suitable for industrial mass production.

The utility model belongs to the technical field of medium-high voltage switches, and discloses a medium-high voltage quick circuit breaker, which comprises a static contact, a moving contact and an operating mechanism connected with the moving contact in a vacuum arc-extinguishing chamber, and the operating mechanism comprises a repulsive force mechanism comprising a rechargeable opening coil and a rechargeable closing coil, the repulsive force disc is arranged between the two parts and is pushed by electromagnetic force generated after the two parts are electrified respectively; the permanent magnet mechanism comprises a permanent magnet, a permanent magnet coil, a static iron core wrapping the permanent magnet and the permanent magnet coil, and a movable iron core capable of moving up and down relative to the permanent magnet, and electromagnetic force generated by positive and negative electrification of the permanent magnet coil eliminates or strengthens magnetic force of the permanent magnet, so that the movable iron core is far away from or close to the permanent magnet; and the driving shaft penetrates through the repulsive force mechanism and the permanent magnetic mechanism and synchronously moves up and down along with the repulsive force disc and the movable iron core so as to push the movable contact and the static contact to be switched on or switched off. According to the circuit breaker, electromagnetic repulsive force driving is combined with permanent magnet, so that the switching-on and switching-off speed is high, no bounce during switching-on is ensured, and the fault rate is extremely low.

The utility model relates to an electromagnetic opening and closing mechanism, including base, lid, handle, opening and closing operating mechanism, trip lever, tripping spring, tripping coil, static core, moving iron core subassembly, jacks, reset spring, instantaneous spring, short circuit induction coil, yoke and acquisition control circuit board. Tripping coil drives moving iron core subassembly to drive jacks to act, realizes the opening and closing or impact tripping spring drives trip lever to trigger opening. Short circuit induction coil and tripping coil horizontal arrangement and share jacks, static core and yoke. The utility model adopts electromagnetic direct drive, and the compact structure is small, and the action speed is fast, and the breaking capacity is strong, and the reliability is high, and the cost is low, and the old product is convenient for equivalent replacement.

The utility model belongs to the technical field of electromagnets, and particularly relates to an electromagnetic lock which comprises a shell, an electromagnetic lock body and an electromagnetic lock body. The coil assembly is arranged in the containing cavity, and a static iron core and a movable iron core are arranged in the coil assembly; the shell is provided with a reset assembly used for resetting the movable iron core. Wherein a protective cover is further arranged on the shell, a surrounding cavity is formed in the protective cover, an opening is formed in the top of the protective cover, the opening is communicated with the surrounding cavity, and the surrounding cavity surrounds the end of the movable iron core; when the electromagnetic lock is powered on, the movable iron core stays in the surrounding cavity. When the electromagnetic lock is powered off, the movable iron core is reset and extends out of the opening; the design is simple and convenient to operate and extremely high in reliability, and the use efficiency and the user experience of the electromagnetic lock are greatly improved.

The utility model discloses an electromagnetic tripping device of a circuit breaker, and relates to the technical field of electromagnetic tripping devices. The coil sliding frame comprises a coil sliding frame, an ejector rod, a spring, a static iron core and a movable iron core, the ejector rod is sleeved with the spring, the ejector rod is arranged on the inner wall of one end of the coil sliding frame, the static iron core is arranged at one end of the coil sliding frame, the movable iron core is arranged at the other end of the coil sliding frame, and an end cover is detachably installed at one end of the coil sliding frame. An assembling component is arranged between the end cover and the coil carriage; a dismounting component is arranged among the end cover, the ejector rod and the static iron core; through the arranged assembling assembly, the end cover can be limited and fixed through insertion of the sleeving ring and the sleeving groove in the assembling assembly and insertion of the locking screw and the limiting hole, the end cover is fixed to the end of the coil sliding frame, after assembling, the ejector rod is located in the coil sliding frame, and the static iron core is located outside the coil sliding frame; therefore, quick assembly of the ejector rod and the static iron core is conveniently realized, and the convenience of assembly operation is effectively improved.

The utility model discloses a quick response's electromagnetic valve core structure, including static core, moving core and valve port, static core surrounds moving core, and the axial cavity is set up in moving core, and the axial cavity sets up quick -acting subassembly and sealing assembly, and quick -acting subassembly includes first elastic part, valve stem, when electrifying, valve stem pushes moving core and moves towards static core top, and first elastic part is compressed, and when power -off, first elastic part resets and drives valve stem to push moving core and moves towards valve port, and sealing assembly sets up in moving core bottom, is used for opening and closing valve port. The utility model discloses the valve core structure sets up through quick -acting subassembly, makes moving core with electrifying and power -off instantaneous quick response electromagnetic force change, thereby improves the response speed and accuracy of valve port's opening and closing, further, still sets up second elastic part and first elastic part common for the movement track of valve stem is oriented and dynamic adjustment.

The utility model discloses a kind of temperature constant solenoid valve, it relates to solenoid valve technical field, the solenoid valve includes, shell, static core, fixedly connected in shell, current coil, it is set to static core outside, valve body is located at shell bottom, and its valve cavity bottom is equipped with valve port, dynamic core bottom is located in valve cavity by elastic member, permanent magnet, it is embedded in static core outside in detachable mode, when current coil is electrified, static core adsorbs dynamic core and moves up to open valve port, when power off, permanent magnet adsorbs dynamic core and keeps open state, when current coil is electrified into reverse current, static core generates reverse magnetism, dynamic core moves down and seals valve port under the reset force of elastic member, the design utilizes permanent magnet, current coil and static core cooperation, can realize zero power consumption magnetic retention under power off, ensure that solenoid valve does not appear temperature rise phenomenon also makes its valve port long-time open, and then realize flow data accurate acquisition.

The utility model relates to the technical field of electromagnetic valves, and particularly discloses a valve element assembly and an electromagnetic valve. The valve element assembly comprises a shell, the shell comprises a guide pipe and a static iron core, and the static iron core is connected to the upper portion of the guide pipe. A limiting pipe is arranged in the static iron core, and the limiting pipe is in clearance fit with the static iron core. The electromagnetic valve comprises a driving shell assembly; the valve element assembly serves as an independent part and is fixedly connected with the driving shell assembly. The device has the advantages of being good in product production controllability, low in defective rate, high in product metering precision, good in product metering quality and the like.

This invention discloses a core assembly and a method for manufacturing a stationary core for miniature circuit breakers, belonging to the field of circuit breaker technology. The core assembly includes a coil shell, a push rod, a stationary core, a moving core, and a spring. A stationary core is fixedly disposed inside the top of the coil shell, with a through hole at its center. The push rod slides through the through hole inside the stationary core. A moving core is disposed inside the bottom of the coil shell, with a spring between the moving core and the stationary core. The push rod passes through the through hole and the spring, abutting against the moving core, with a portion of the moving core inserted into the push rod. The through hole includes a first through hole, a second through hole, and a third through hole. When the push rod enters the stationary core, it passes through the first through hole, the second through hole, and the third through hole in sequence. This invention reduces the mutual collision between the push rod and the stationary core, preventing push rod breakage; it eliminates burrs, reduces friction between the push rod and the stationary core, reduces mutual collision, prevents push rod breakage, and increases the service life of the push rod and the core assembly.

The utility model belongs to the technical field of electromagnetic valves, and particularly relates to a direct-acting type two-position three-way electromagnetic valve which is characterized in that an inlet and an outlet are formed in a valve body, a magnetism isolating pipe is installed on the valve body, a coil is sleeved on the periphery of the magnetism isolating pipe, a static iron core is arranged in the magnetism isolating pipe, and the static iron core divides the interior of the magnetism isolating pipe into an upper valve cavity and a lower valve cavity; an upper movable iron core is arranged in the upper valve cavity, a lower movable iron core is arranged in the lower valve cavity, an ejector rod is arranged in the static iron core, the two ends of the ejector rod are connected with the upper movable iron core and the lower movable iron core respectively, a spring piece is arranged in the lower valve cavity, one end of the spring piece is fixedly connected with the bottom of the lower movable iron core, and the other end of the spring piece is fixedly connected with the top of the valve body. The upper movable iron core and the lower movable iron core which are arranged up and down are connected into a whole through the ejector rod in the static iron core and can move in the inner cavity of the magnetism isolating pipe, the on-off state of a fluid channel is changed, and accurate control over the fluid channel of the electromagnetic valve is achieved.

The utility model relates to solenoid valve field, concretely relates to a two -way direct valve, including valve body subassembly, coil subassembly, static core, moving core, elastic sealing plug, moving core bottom is equipped with limit slot, and elastic sealing plug is fixed in limit slot, and moving core outer periphery is equipped with the first fluid channel that communicates moving core upper end chamber and inflow channel, and moving core is equipped with the second flow channel that communicates limit slot and its one end end part near static core, when moving core and static core are separated, first fluid channel and second flow channel are connected. The utility model sets up first fluid channel and second flow channel, when solenoid valve is closed, and elastic sealing plug is blocked in valve port, and elastic sealing plug top is connected through first fluid channel and second flow channel with inflow channel, and hydraulic pressure acts on elastic sealing plug and makes elastic sealing plug seal more stable, and the effect of static pressure resistance is better under the closed state, so can be used for higher pressure pipeline, is applicable to 2.0MPa's pipeline.

The utility model relates to a kind of direct current contactors, by respectively setting up in coil framework both ends with moving iron core and static core, when energization, coil magnetic field is efficiently acted on moving iron core, drives it to move to static core quickly, realizes contact closure, when power-off, reset spring provides stable uniform spring force, so that moving iron core is reset quickly, accurately, ensure that contact can reliably separate, control panel can accurately control the on-off of coil, to effectively regulate and control the action of moving iron core and static core, guarantee contactor stable and reliable operation, in addition, coil framework integrally formed with passageway column, the passageway column constructs coil power supply lead passageway between contactor internal control panel and coil, moving iron core and contact support are respectively provided with the first notch and the second notch matched with passageway column, passageway column can be embedded in integral structure, without additional space occupation, guarantee the compactness of contactor structure.

The utility model discloses an energy-saving coil framework and a contactor. The energy-saving coil framework comprises a first end part; a second end; the winding part is arranged between the first end part and the second end part; one or two groups of mounting grooves are formed in any one side or two sides of the first end part, each group of mounting grooves comprises a first mounting groove and a second mounting groove, the static contact piece and the movable contact piece are arranged in a contact manner, and one end of the movable contact piece extends outwards to form an extension section for bearing force. The mounting groove is directly arranged at the upper end part of the coil framework, and the movable contact piece and the static contact piece which can be driven by the contact support are arranged in the groove, so that when the movable iron core and the static iron core are attracted, the movable contact piece and the static contact piece are disconnected, the space of the coil framework is directly utilized, the position switch is integrated on the coil framework, and the position switch is convenient to mount and low in cost. Meanwhile, the requirement for the internal space of the contactor is small, and the energy-saving design of the contactor with the small size can be met.

The invention discloses a longitudinal magnetic contact with a novel iron core structure and a vacuum arc extinguish chamber applying the longitudinal magnetic contact. The longitudinal magnetic contact comprises a static end contact combination structure and a moving end contact combination structure. The static end contact combination structure comprises a static conducting rod, a static contact cup base, a static iron core structure and a static contact blade. The moving end contact combination structure comprises a moving conducting rod, a moving contact cup base, a moving iron core structure and a moving contact blade. The static iron core structure and the movable iron core structure are the same in structural form and comprise an iron core bottom annular structure and a plurality of T-shaped magnetic conduction structures which are fixed to the upper surface of the iron core bottom annular structure and are coaxially distributed at equal intervals. The T-shaped magnetic conductive structure is composed of upper plane magnetic conductive structures and a vertically fixed middle supporting structure, and the upper plane magnetic conductive structures are electrically isolated from each other and combined to form an annular structure. While the magnetic field performance is maintained, the mass of the iron core is remarkably reduced, the load in the opening and closing process is reduced, and the reliability and the mechanical life of the circuit breaker operating mechanism are improved.

The utility model discloses an iron core structure and high voltage direct current contactor relates to contactor technical field, the iron core structure includes static iron core, movable iron core, push rod and reset piece, static iron core is equipped with first through hole, movable iron core is equipped with second through hole coaxial with first through hole, push rod is installed in second through hole and passes through first through hole, and the reset piece is equipped with reset piece. The reset piece abuts against the static iron core and the movable iron core, one of the static iron core and the movable iron core faces the other one and is provided with an annular groove, and the second annular groove surrounds the second through hole. According to the scheme, the annular groove is formed in the static iron core or the movable iron core, so that the magnetic pole area of the two iron cores is reduced, the rebound time is reduced, and the retention, the stability and the reliability of the contactor are improved.