87results 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.

Disclosed is an expansion valve coil assembly, comprising a coil unit and a housing, wherein the coil unit is provided with a mounting platform, the mounting platform is provided, in a partially protruding manner, with a connecting part, and the housing is sheathed over the connecting part and is fixedly connected to the mounting platform; and a side wall of the connecting part has a concave-convex structure, and the space between an inner side of the housing and the connecting part is filled with a sealing material.

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.

An electromagnetic contact device according to one embodiment of the present invention comprises: a coil wound around a bobbin; the movable iron core is driven along the axial direction under the action of the coil; a pair of fixed contacts for applying a DC power source; a movable contact seat which operates in conjunction with the movable iron core, moves up and down in a reciprocating manner, and can be in contact with the pair of fixed contacts; a yoke made of a magnetic material and configured so as to surround at least a part of the outside of the coil; a yoke plate fixedly disposed on the upper side of the yoke; a fixed iron core which is made of a magnetic body, passes through the central part of the bobbin, and is fixedly arranged by the yoke; and an annular permanent magnet arranged on the upper side of the fixed iron core, wherein the suction force of the movable iron core is increased by the magnetic flux generated by the coil and the magnetic flux generated by the permanent magnet.

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 power supply cable connection structure for a solenoid valve is provided. [Solution] A power supply cable connection structure 10 for a solenoid valve for connecting a power supply cable 60 to a solenoid coil 52 of a solenoid valve 24, in which a contact 64 is attached to the end of a power supply line 62, the contact is inserted into an end 52a of the solenoid coil 52, the power supply cable 60 is supported by a mounting fixture 12, and the mounting fixture is connected to a protective tube 58 connected to the solenoid valve 24.

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).

Disclosed is a stator assembly, including: a housing (10), wherein the housing (10) has an accommodating cavity (11), and a bottom surface of the housing (10) is provided with an accommodating groove (12); a stator (20), disposed at a bottom of the housing (10), wherein a middle of the stator (20) is of a hollow structure, and the hollow structure is disposed corresponding to the accommodating groove (12); a circuit board (30), disposed in the accommodating cavity (11), wherein the circuit board (30) is electrically connected with the stator (20) by a contact pin (40); and a sensor (50), disposed in the accommodating cavity (11), wherein the sensor(50) is electrically connected with the stator (20), and the sensor (50) is located on a side of the circuit board that is away from the stator (20). Further disclosed is an electronic expansion valve including the stator assembly. The problem of large processing difficulty of the electronic expansion valve in the prior art can be solved.

The electromagnetic driver and electromagnetic coil assembly comprises a supporting base, a magnetic attraction base, two linkage rods and an electromagnetic coil, the supporting base and the electromagnetic coil are installed in a spaced mode, the magnetic attraction base is located between the supporting base and the electromagnetic coil, the two linkage rods are both fixedly installed on the magnetic attraction base, and the two linkage rods are both provided with power connection terminals. The motor is electrically connected with the electromagnetic coil; the two linkage rods are in sliding connection with the supporting base and can slide in a reciprocating mode in the direction of the electromagnetic coil. The device further comprises an external connection seat, the external connection seat is installed on the supporting seat, the external connection seat comprises two power connection parts, and the two power connection parts are arranged opposite to the two linkage rods correspondingly. And an elastic piece is mounted between the magnetic attraction seat and the electromagnetic coil and is used for elastically driving the linkage rod to slide until the linkage rod is in contact and conducted with the power connection piece. Through the acting force of the electromagnetic coil and the elastic piece, reciprocating driving of the magnetic attraction base and the linkage rod can be achieved, and pulse type action output is achieved.

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

An electromagnetic brake (10) for an electric motor comprises a brake core (14), which comprises a coil frame storage portion (54) and a connector insertion hole (52a), wherein the coil frame storage portion stores a coil frame (24), and the connector insertion hole is for inserting a connector (56), wherein the coil frame (24) has a plurality of terminal storage portions (34) on the inner side of which terminals (32) are stored, and the terminal (32) has a first contact point (44) and a second contact point (48), wherein when the terminal (32) is inserted into the terminal storage portion (34), the first contact point is connected to a winding (26) that is suspended in a suspension portion (38a, 38b) of the terminal storage portion (34), and when the terminal (32) is stored in the terminal storage portion (34), the second contact point contacts an electrode (56a) of a connector (56) that is inserted into the connector insertion hole (52a).

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.

A solenoid assembly (100) includes a solenoid coil (102) and a junction box (104) having at least one cable entry port (106) for a current carrying cable and at least two coil coupling ports (108, 110), each configured for coupling the solenoid coil (102) to the junction box (104). The two coil coupling ports (108, 110) are located relative to the cable entry port (106) in different orientations at 0 degrees, 90 degrees, 180 degrees, 270 degrees in BCE mode such that selectively coupling of the solenoid coil (102) to the junction box (104) through different coil coupling ports (108, 110) allows the solenoid assembly to be used in any of a Horizontal Cable Entry mode (200) and a Bottom Cable Entry mode (300). The cable entry port (106) is located at any of a 0, 90, 180, and 270 degrees positions in the Bottom Cable Entry mode (300).

This application relates to the field of electronic component technologies, and in particular, to a ferrite bead, a bias circuit, an optical module, and a communication device. The ferrite beads include: a ferrite bead body, a first fixing terminal, a second fixing terminal, and an external terminal. The first fixing terminal and the second fixing terminal are connected to the ferrite bead body, and the first fixing terminal and the second fixing terminal are configured to fasten the ferrite bead body. The ferrite bead body includes a coil structure, and the coil structure has a first electrical connection end and a second electrical connection end. At least one of the first electrical connection end and the second electrical connection end is electrically connected to the external terminal. An area of the external terminal is less than areas of the first fixing terminal and the second fixing terminal. In this application, an internal parasitic capacitance of the ferrite bead is low, and when the ferrite bead is used in the bias circuit, an external parasitic capacitance generated between the ferrite bead and a substrate of the bias circuit is also low, so that the ferrite bead has a high bandwidth.

A coil assembly and an electric valve. The coil assembly (100) comprises a control box (1), the control box (1) comprising a first casing part (11) and a second casing part (12), wherein the first casing part (11) is fixedly connected to the second casing part (12); the second casing part (12) comprises a connection opening portion (122) and a first connection member (121); the connection opening portion (122) is provided with a second chamber (1221); the first connection member (121) is provided with a first end portion (1211) and a second end portion (1212); part of the first end portion (1211) is located in a first chamber (13); part of the second end portion (1212) is located in the second chamber (1221); the first end portion (1211) is connected to an electric control board (3) by means of a mode of press fitting; and the first connection member (121) can be in electric connection and / or in signal connection with the electric control board (3). Such arrangement helps to simplify the assembling of the coil assembly; meanwhile, when the number of first connection members (121) needs to be changed, developing a whole coil assembly again is not needed, which helps to reduce the development cost of coil assemblies, thereby reducing the development cost of electric valves.

The invention relates to a connecting device (1) for a magnet assembly (2), comprising - a housing part (3) which is at least partially hollow-cylindrical and which has an undercut region (4) on the inner circumference extending at least over a partial circumference region, and a substantially pot-shaped locking part (5) with connecting cables (6), wherein the locking part (5) can be inserted into the housing part (3) and has locking elements (7) arranged on the outer circumference, which engage in the undercut area (4) of the housing part (3) in a locking manner when the locking part (5) is inserted into the housing part (3). The invention further relates to a magnet assembly (2) with a connection device (1) according to the invention and to a valve with a magnet assembly (2) according to the invention.

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 actuator arrangement (10) to be fastened to a unit (22), comprising an electromagnetic actuator (12) having at least one electrical coil (14) and one armature (16) which is mounted displaceably between a first position and a second position inside the coil (14), wherein the armature (16) can be moved from the first position to the second position by means of energizing the electrical coil (14), a control device (18) for controlling the electromagnetic actuator (12) and a fastening means (20) for fastening the electromagnetic actuator (12) to the unit (22), wherein the control device (18) is arranged on the fastening means (20). The invention also relates to a vehicle assembly, comprising at least one such actuator arrangement (10) and a unit (22).

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.