55results about "Electromagnet terminals/connectors" patented technology

The invention discloses a contactor magnetic core, a contactor electromagnetic assembly and a contactor. The contactor magnetic core comprises a static magnetic core which is suitable for being fixed on a magnetic conductive plate of the contactor and is provided with a main body part which is suitable for being inserted into a coil framework of the contactor; and the movable magnetic core is suitable for being movably inserted into the coil framework and is provided with a flange part positioned at the upper end of the movable magnetic core. When the static magnetic core and the movable magnetic core are inserted into the coil framework, the main body part of the static magnetic core faces the flange part of the movable magnetic core, and the diameter of the main body part of the static magnetic core is slightly larger than that of the flange part of the movable magnetic core, so that the electromagnetic attraction force between the static magnetic core and the movable magnetic core is increased. According to the invention, the number of turns and the copper consumption of the coil can be reduced while enough electromagnetic attraction is ensured, so that the cost and the size of the contactor can be reduced.

The present invention provides a skeleton, a skeleton assembly, a coil assembly and an electronic expansion valve, the skeleton including a frame body (10), a connection part (20) and a pin receiving seat (30), one end of the connection part (20) is provided on the peripheral surface of the frame body (10), the pin receiving seat (30) is provided on one end of the connection part (20) remote from the frame body (10), the skeleton further including a support part (40), the support part (40) is provided on the connection part (20), and the problem of poor waterproof effect of the coil assembly can be solved.

The invention discloses a magnetic track brake electromagnet coil, a magnetic track brake electromagnet and a preparation method. The magnetic track brake electromagnet coil comprises a winding, a coil frame, an insulating layer, a cover plate and a heat insulation layer. The winding is arranged in a coil groove of the coil rack, and the winding is formed by winding an enameled flat copper wire of which the temperature resistance level is H level or higher; the insulating layer wraps the winding; the cover plate is welded and fixed at the opening of the coil slot and is used for sealing the coil slot; the heat insulation layer is arranged at the position, corresponding to the welding position of the cover plate, in the coil groove and used for blocking heat generated when the cover plate is welded. Damage of welding heat to the coil is effectively avoided, the overall sealing performance and environmental adaptability of the coil are improved, and therefore long-term stable operation of the coil is guaranteed.

A fluid control assembly. A connecting member (15) comprises a flexible section (151) and a rigid section (152); a stator assembly (14) comprises a coil assembly (143) and a first connecting portion (142); a coil of the coil assembly (143) is electrically connected to the first connecting portion (142); a circuit board (13) comprises a second connecting portion (131); the rigid section (152) comprises a first section (1521), the first section (1521) being electrically connected to the first connecting portion (142), and / or the rigid section (152) comprises a second section (1522), the second section (1522) being electrically connected to the second connecting portion (131); the flexible section (151) may absorb a deformation amount difference between the stator assembly (14) and the circuit board (13); and the rigid section (152) may prevent thermal stress of the flexible section (151) from being transferred to an electrical connection part. Thus, the stability of an electrical connection between the stator assembly (14) and the circuit board (13) can be improved.

A safety valve for gas appliances comprising: an electromagnet (2) including a coil (9) having a phase wire (9a) and a ground wire (9b) and a protrusion (11) having a phase contact area (12) in contact with the phase wire (9a), a valve seat (30) connected to the ground wire (9b), a phase closing body (20) in contact with the phase contact area (12), a printed circuit board (40) in contact with the phase closing body (20), and an electrical connector (60) having a phase terminal (62) and a ground terminal (63) connected to the phase wire (9a) and the ground wire (9b) through the printed circuit board (40). The printed circuit board (40) is accommodated in the valve seat (30) in an elastically deformed and curved state, ensuring a constant contact pressure with the phase closing body (20) and the valve seat (30).

A relay coil assembly includes a coil skeleton, a coil and a first insulation tape. The coil skeleton has an upper flange, a lower flange and a cylindrical portion located between the upper flange and the lower flange. The coil is wound around the cylindrical portion of the coil skeleton. The first insulation tape is wrapped and bonded to the outer peripheral surfaces of the upper flange and the lower flange. The coil skeleton is located in a space surrounded by the first insulation tape. The coil is sealed in an annular enclosed space defined by the first insulation tape and the coil skeleton.

To provide a contactor that can reduce cost and volume. [Solution] The contactor core comprises a stationary core (41) suitable for fixing to the magnetic plate (2) of the contactor and having a body suitable for insertion into the coil frame (31) of the contactor, and a movable core (42) configured to be movably inserted into the coil frame (31) and having a flange located at the upper end of the movable core (42). When the stationary core (41) and the movable core (42) are inserted into the coil frame (31), the body of the stationary core (41) faces the flange of the movable core (42), and the diameter of the body of the stationary core (41) is slightly larger than the diameter of the flange of the movable core (42) in order to increase the electromagnetic attraction between the stationary core (41) and the movable core (42).

The present application discloses a coil module, a drive board, a camera device, and a preparation method. The coil module includes: two metal brackets and a coil; the coil is fixed to the two metal brackets, and the welding leads at both ends of the coil are respectively welded to the two metal brackets. The coil and the two metal brackets are plastic-encapsulated to form a plastic-encapsulated body, and the end faces of the two metal brackets are exposed on the surface of the plastic-encapsulated body. The coil module, drive board, camera device, and preparation method provided by the present application are used to solve the technical problem in the prior art that soldering the coil to the circuit board easily causes damage to the board and reduces the yield rate. The technical effect of improving the yield rate is achieved.

The present invention discloses a contactor magnetic core, a contactor electromagnetic assembly, and a contactor. The contactor magnetic core comprises: a static magnetic core (41) suitable for being fixed to a magnetic plate (2) of a contactor and having a main body (410) suitable for being inserted into a coil skeleton (31) of the contactor; and a movable magnetic core (42) adapted to be inserted into the coil skeleton (31) in a movable manner and having a flange (42a) located at its upper end. When the static magnetic core (41) and the movable magnetic core (42) are inserted into the coil skeleton (31), the main body (410) of the static magnetic core (41) faces the flange (42a) of the movable magnetic core (42), and the diameter of the main body (410) of the static magnetic core (41) is slightly larger than the diameter of the flange (42a) of the movable magnetic core (42) to increase the electromagnetic attraction between the static magnetic core (41) and the movable magnetic core (42). The present invention can reduce the number of turns and copper usage of the coil while ensuring sufficient electromagnetic attraction, thereby reducing the cost and volume of the contactor.

To provide an inspection device that can improve the detection accuracy of a characteristic of an MRAM element.SOLUTION: An inspection device 1 includes: a stage 10 that has a magnetoresistive memory element fixed on a stage surface 13; a plurality of electromagnets 20 that generate a first magnetic field in which a direction of a magnetic field component in a vertical direction perpendicular to the stage surface 13 changes from a first direction to a second direction depending on a position on the stage surface 13 and a second magnetic field in which a direction of the magnetic field component in an in-plane direction parallel to the stage surface 13 changes from a third direction to a fourth direction depending on the position on the stage surface 13; an optical system 30 that irradiates the magnetoresistive memory element with illumination light including polarized light and condenses reflection light of the illumination light reflected by the magnetoresistive memory element; and a detector 40 that detects the reflection light in a case where a position of the magnetoresistive memory element in the first magnetic field is changed and the reflection light in a case where the position of the magnetoresistive memory element in the second magnetic field is changed.SELECTED DRAWING: Figure 1

The invention relates to a functional part (1) for a magnetic core (5) of an electromagnet (6), wherein the functional part (1) has at least partially an electrically insulating material, wherein the functional part (1) is arranged for arrangement on an end face (3) of the magnetic core (5) and has at least one guide projection (7) having a guide groove (9), which is aligned with an axial groove (11) formed in the magnetic core (5) such that it extends from the end face (3) through the axial groove (11) to a winding area (13) of the magnetic core (5).

A dual solenoid valve (160) for a compressed fluid source may comprise a bobbin (202) and a first solenoid coil (210) located around the bobbin. A second solenoid coil (216) may be located radially outward of the first solenoid coil. An insulating layer (214) may be located between the first solenoid coil and the second solenoid coil. A plunger (240) may be biased away from the bobbin.

Power supply cable connection structure (10) for a solenoid valve (24) for connecting a power supply cable (60) to a solenoid coil (52) of the solenoid valve, wherein a contact (64) is attached to an end section of a power supply line (62) or an end section of a supply line connected to the power supply line via a relay connection, the contact is inserted into an end section (52a) of the solenoid coil, the power supply cable is held by a fastening tool (12) and the fastening tool is connected to a protective tube (58) connected to the solenoid valve, or the fastening tool is connected to a socket attached to the protective tube.

Provided is an electromagnet contact device including a coil wound around a bobbin, a movable core that is driven by the coil in an axial direction, a pair of fixed contacts for applying direct current (DC) power, a movable contact table that operates in conjunction with the movable core and is movable up and down reciprocally so as to come into contact with the pair of fixed contacts, a yoke including a magnetic material and configured to surround at least a portion of the exterior of the coil, a yoke plate fixedly disposed on an upper side of the yoke, a fixed core including a magnetic body and passing through a center portion of the bobbin and fixedly disposed by the yoke, and a permanent magnet in a ring shape disposed on an upper side of the fixed core.

Actuator arrangement (18) comprising an actuator (17) with • a magnet housing (19), • a magnetic coil (20) arranged within the magnet housing (19), • a magnetic yoke (22) for supporting the magnetic coil (20), • an armature (23) which is axially movable in the magnet housing (19), and further comprising a sensor module (01) with a sensor (11) for detecting the movement of the armature (23), wherein the sensor module (01) is fastened to an end face of the actuator (17) and wherein the sensor module comprises: • a carrier plate (02) with a top side (03) and a bottom side (04); • a plug (05) arranged on the top side (03) of the carrier plate (02) and mechanically connected to the carrier plate (02) with a plug housing (07) and at least two plug contacts (08) arranged in the plug housing (07) for electrically connecting the sensor module (01) to an external control device; • a sensor (11) arranged on the underside (04) of the carrier plate (02) and mechanically connected to the carrier plate (02) for detecting an armature movement of the displaceable armature (23), wherein the sensor (11) is electrically connected to the plug contacts (08).

The invention relates to an electromagnetic pump with a magnetism increasing structure. The electromagnetic pump comprises a coil assembly and a pump assembly. The coil assembly comprises a frame body, a magnetism increasing piece, a magnet yoke ring and a plurality of coils. The pump assembly comprises a pipe body, a moving assembly, a reset assembly, a sealing assembly, a valve element and a water outlet pipe. The sealing assembly comprises a sealing rubber head; the moving assembly, the sealing assembly, the valve element and the water outlet pipe form a cavity in the pipe body, the moving assembly moves in the pipe body after being subjected to magnetic force of the magnetic yoke ring and the magnetism increasing piece so that the pressure intensity of the cavity can be reduced or increased, and then the valve element or the sealing rubber head can be opened for water pumping. According to the induction coil mechanism arranged in the electromagnetic pump, the number of varnished wires is reduced, the overall structure of the electromagnetic pump is designed to be light, power consumption needed by the induction coil structure is lower, the temperature rise effect of the induction coil structure can be reduced, and the temperature rise effect of the electromagnetic pump is reduced accordingly.

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

According to the induction coil structure, the electromagnetic pump, the electromagnetic valve and the electromagnetic fluid pump, the winding coil is installed on the framework, the magnetic field can be generated when the winding coil is powered on, and the winding coil is formed by winding the wire with the insulating layer; the number of winding coils of the wires with the insulating layers arranged at the two ends of the framework of the winding coil is larger than the number of winding coils of the wires with the insulating layers in the middle, so that the wires with the insulating layers at the two ends and high magnetic field intensity are reserved on the induction coil structure, and the wires with the insulating layers of the winding coil in the middle of the framework are reduced. The induction coil adapts to higher magnetic field intensity of magnetic poles at two ends in a magnetic field, so that the use amount of wires with insulating layers in the middle of the winding coil is reduced, and the induction coil is light in overall structure and low in power consumption. The electromagnetic pump comprises the induction coil structure and the pump assembly, the induction coil structure is arranged outside the pump assembly, and the electromagnetic pump is light in weight and low in power consumption.

A proportional solenoid valve includes a valve body defining an inlet and an outlet for a fluid flow through the valve body and an armature that is moveable along a longitudinal axis from a first closed position to a second open position to control the flow of fluid through the valve. The valve further includes a flux can and an encapsulated coil assembly encompassed within the flux can. The encapsulated coil assembly includes a bobbin, a wire coil wound around the bobbin, and a non-conductive encapsulation layer that encapsulates the bobbin and the wire coil so as to electrically isolate the wire coil from the flux can and other conductive components of the valve. When the solenoid coil is energized, a magnetic field is created which causes the armature to move away from the first position against the valve body toward the second position, thereby opening the valve. The proportional solenoid further includes insulated wiring that is electrically connected to the wire coil, and a non-conductive encapsulation tower that encapsulates the insulated wiring so as to electrically isolate the insulated wiring from the flux can and other conductive components of the valve.

A contactor magnetic core includes a static magnetic core fixable to a magnetic plate of a contactor and having a main body insertable into a coil skeleton of the contactor, and a movable magnetic core insertable into the coil skeleton in a movable manner and having a flange at an upper end. When the static magnetic core and the movable magnetic core are inserted into the coil skeleton, the main body of the static magnetic core faces the flange of the movable magnetic core. A diameter of the main body of the static magnetic core is larger than a diameter of the flange of the movable magnetic core to increase an electromagnetic attraction between the static magnetic core and the movable magnetic core.

A coil unit and an electric valve are disclosed. The coil unit (100) includes a control box (1). The control box (1) includes a first housing part (11) and a second housing part (12) that are fixedly connected. The second housing part (12) includes an insertion port part (122) and a first connection member (121). The insertion port part (122) has a second chamber (1221). The first connection member (121) has a first end part (1211) and a second end part (1212). A part of the first end part (1211) is located in the first chamber (13), and a part of the second end part (1212) is located in the second chamber (1221). The first end part (1211) is connected to be crimped to the electronic control board (3). The first connection member (121) can be electrically connected and / or signal-connected to the electronic control board (3). By arranging it in this way, the installation of the coil unit is simplified. Also, when it is necessary to replace the number of the first connection members (121), it is not necessary to re-develop the entire coil unit, the development cost of the coil unit can be reduced, and further, the development cost of the electric valve can be reduced.

The present invention relates to an electromagnetic pump having a magnetization-enhancing structure, comprising a coil assembly and a pump assembly; the coil assembly comprises a frame body, a magnetization-enhancing component, a magnetic yoke ring, and a plurality of segments of a coil; the pump assembly comprises a tube body, a moving assembly, a reset assembly, a sealing assembly, a valve core, and a discharge pipe; the sealing assembly comprises a sealing head; the moving assembly, the sealing assembly, the valve core, and the discharge pipe form a cavity within the tube body, and the moving assembly, upon being subjected to magnetic force of the magnetic yoke ring and the magnetization-enhancing component, moves within the tube body to decrease or increase a pressure of the cavity, thereby causing the valve core or the sealing head to open in order to pump water. The present invention provides the magnetization-enhancing component on the frame body, and divides the coil into a plurality of parts. When the coil is energized, the magnetization-enhancing component impedes an instantaneous current of the plurality of parts to achieve the effect of reducing the instantaneous current; the provision of the magnetization-enhancing component enhances the magnetic force exerted on the moving assembly, which causes the moving assembly to perform a reciprocating motion to pump water, thereby increasing electromagnetic attraction while greatly reducing costs and improving use efficiency.

An electromagnetic coil includes a frame, a first insertion piece, a second insertion piece, and a coil. A protrusion portion is disposed on the frame. The first insertion piece and the second insertion piece are disposed on two axial ends of the frame respectively. The wire is wound on the frame and has an input end and an output end. The input end is connected to the first insertion piece. The output end is configured to be wound on the protrusion portion and then connected to the second insertion piece.

The present invention discloses a stator assembly including: a housing (10) having an accommodation chamber (11) and an accommodation groove (12) on the bottom surface; a stator (20) provided at the bottom of the housing (10), having a hollow structure in the middle, the hollow structure being provided to correspond to the accommodation groove (12); a circuit board (30) provided within the accommodation chamber (11) and electrically connected to the stator (20) by a pin (40); and a sensor (50) provided within the accommodation chamber (11), electrically connected to the stator (20), and positioned on the side of the circuit board away from the stator (20). The present invention also discloses an electronic expansion valve including this stator assembly, thereby solving the problem of the great difficulty in processing electronic expansion valves in the prior art.

An induction coil structure, an electromagnetic pump, an electromagnetic valve and an electromagnetic fluid pump. As referred to in the induction coil structure (1), a wound coil (11) is mounted on a bobbin (123), the wound coil (11) can generate a magnetic field when energized, the wound coil (11) is formed by winding a conductive wire having an insulating layer, and the number of turns of the conductive wire having an insulating layer wound around two ends of the bobbin for the wound coil (11) is greater than the number of turns of the conductive wire having an insulating layer wound around the middle part thereof, such that the conductive wire having an insulating layer at two ends with a higher magnetic field intensity is retained on the induction coil structure (1), and the amount of the conductive wire having an insulating layer of the wound coil (11) in the middle part of the bobbin (123) is reduced, thus adapting to the higher magnetic field intensity of magnetic poles at two ends in the magnetic field, thereby reducing the usage amount of the conductive wire having an insulating layer in the middle part of the wound coil (11), and realizing the overall lightweight design and low power consumption of the induction coil structure. The electromagnetic pump comprises an induction coil structure (1) and a pump assembly (2), wherein the induction coil structure (1) is arranged outside the pump assembly (2), thereby realizing the lightweight design and low power consumption of the electromagnetic pump.

Coil device (1) for receiving at least one electrical winding (2), in particular for a pole tube assembly of a solenoid valve, an actuator or a pump, comprising: • a coil former (3); and • at least one winding connection (4), which • a connecting section (5) which is designed to hold at least one end of the electrical winding (2) in a wound state of the coil former (3); and • has at least one fastening section (7) which is arranged to be clamped in the wound state between an outer surface section (7) of the coil former (3) and the electrical winding (2), wherein the outer surface section (8) of the coil former (3) is recessed in a direction (10) perpendicular to the longitudinal axis (11) of the coil former (3), wherein a height (9) of the recess of the outer surface section (8) corresponds in particular to a thickness (13) of the fastening section (7).

The subject of the present invention is a connecting member, a connector comprising the connecting member, and a method for producing the connector for connecting an aluminum magnetic wire to another conductor. Disclosed is a connecting member (1) for connecting an aluminum magnetic wire (2) to another conductor. The connecting member (1) is made of a composite metal sheet (5) comprising at least an aluminum layer (51) and at least a copper layer (52), wherein the connecting member (1) has two spaced-apart ends: a first end (6) is shaped in such a manner that the outer layer of the connecting member is constituted by the copper layer (52), and a second end (7) is shaped in such a manner that the aluminum layer (51) is adapted for connection to the aluminum magnetic wire (2). Also disclosed is a connector (9) constructed of the connecting members (1) according to the present invention which renders accessible copper contacts (91, 92) or copper contacts covered with another tin-containing metal or alloy. Disclosed as well is a method of producing the connector (9) made up of the connecting members (1) according to the present invention.

A linear actuator (1) in the form of an electric reversing solenoid, comprising a cylindrical metal housing (2) in which two magnetic coils (3, 3') are housed and which metal housing (2) guides an armature element (4) axially displaceable along its central axis (A), wherein the armature element (4) is movable between a first end position (push) and a second end position (pull) by a stroke length (H). The cylindrical metal housing (2) is covered at its end faces by a first (7) and a second (7') shunt element. The electronic controls are housed in an additional enclosure (12) to which a connector element (13) is provided for supplying power to the magnetic coils (3, 3') and the electronic control, as well as for transmitting control signals and communication data.Two Hall sensors (15, 15') are integrated in the center of the metal housing (2), arranged in the transverse plane T and in different radial directions (R1, R2). These Hall sensors are located adjacent to the first and second permanent magnet elements (16) fitted into the armature element (4) at the respective end positions of the armature element (4). Together with these magnet elements (16), they form a detector pair to generate a switching signal at these positions. To increase the positioning accuracy (g) of the armature element, the position of the individual elements (15, 16) of the respective detector pairs is individually adjusted relative to each other such that the signal steepness of the signal step in the output signal is maximized in the region of the respective end position. For further precision in switching accuracy, a switching point for controlling the magnetic coils is defined in the steepest part of this signal step.

To minimize a dead space in a field core to achieve downsizing of the field core in an axial direction or increase the number of turns of an electromagnetic coil.SOLUTION: An electromagnetic coupling device includes: an electromagnetic coil 17; a field core 16 having a hole 33; a terminal block 71 which has a terminal part 43 and is inserted through the hole 33 and supported by the field core 16; and a pair of terminals 44 provided at the terminal part 43. The electromagnetic coupling device includes a pair of first through holes 47 each of which passes through the terminals 44 and penetrates through the terminal board 71. Magnet wires 34 inserted through the first through holes 47 and a pair of lead wires 56, 57 for external connection are soldered to the terminals 44.SELECTED DRAWING: Figure 6

A safety valve for a gas appliance comprises an electromagnet (2) comprising a coil (9) having a phase line (9a) and a ground line (9b) and a projection (11) having a phase contact area (12) in contact with the phase line (9a), a support (30) connected to the ground line (9b), a phase closure (20) in contact with the phase contact area (12), a printed circuit board (40) in contact with the phase closure (20), and an electrical connector (60), the electrical connector has a phase terminal (62) connected to a phase line (9a) through a printed circuit board (40) and a ground terminal (63) connected to a ground line (9b). The printed circuit board (40) is housed in a curved and elastically deformable manner in the holder (30), which ensures a constant contact pressure with the phase closure (20) and the holder (30).