5850results about "Electromagnetic relay details" patented technology

A DC relay for anti-short circuit current and arc extinction includes two static contact leading-out ends, a movable contact piece in a straight sheet type, a pushing rod assembly, a fixed upper yoke, a follow-up yoke and a lower armature. The fixed upper yoke is fixed above the movable contact piece, corresponding to a position between the two movable contacts. The follow-up upper yoke is fixed on the pushing rod assembly, above the movable contact piece, corresponding to a position between the two movable contacts. The lower armature is fixed on a bottom end face of the movable contact piece. The fixed upper yoke, the follow-up upper yoke and the lower armature are respectively arranged in a width direction of the movable contact piece, and two magnetic conductive loops are formed in the width direction of the movable contact piece.

The invention relates to the technical field of electromagnetic relay control, in particular to an electromagnetic relay control system, which comprises a relay execution unit, a contact state monitoring unit and an intelligent viscosity elimination control unit, and is characterized in that the contact state monitoring unit acquires quantum tunneling effect impedance spectroscopy and acoustic emission energy entropy change signals in real time; the intelligent viscosity-eliminating control unit analyzes signals through a fusion welding risk multi-dimensional evaluator, triggers a three-stage control sequence, firstly starts a magnetostriction high-frequency oscillator to inject an inverted eddy current array, activates a hysteresis loop restorer to apply a gradient demagnetization potential field if the fusion welding risk multi-dimensional evaluator is not recovered, and finally, recovers the fusion welding risk multi-dimensional evaluator; when an acoustic emission signal is abnormal, a chaotic encryption message is generated through the fault feature topology generator and is linked with the magnetic solitary wave breaking device, ultrasonic frequency mechanical energy can be captured and converted into regenerative current, an adhesion evolution path is reconstructed after diagnosis, the problems of contact adhesion risk identification lagging and lack of multi-physics field cooperative control in the prior art are solved, and the reliability of the contact adhesion risk identification is improved. And the adhesion early warning success rate and the removal efficiency are improved.

A relay includes a pair of static contact leading-out terminals; a plurality of movable contact pieces, two ends of each of the movable contact pieces along a first direction is configured to contact with or separate from the pair of static contact leading-out terminals; the first direction is an arrangement direction of the pair of static contact leading-out terminals; wherein a contact gap between at least one of the plurality of movable contact pieces and the static contact leading-out terminal is smaller than contact gaps between remaining movable contact pieces of the plurality of movable contact pieces and the static contact leading-out terminal; and an anti-short circuit structure for forming suction forces on the plurality of movable contact pieces in a contact closing direction; wherein the suction force on the movable contact piece with a smaller contact gap is smaller than the suction forces on the remaining movable contact pieces.

The invention relates to a relay and an electric meter. The relay comprises an electromagnetic pushing system, the electromagnetic pushing system comprises a coil and an armature assembly, the armature assembly is located on one side of the coil in the first direction, and the axis direction of the coil is in the third direction; the contact system is located on the third direction side of the electromagnetic pushing system and comprises a static contact unit and a movable contact unit which are arranged in the third direction, the movable contact unit is connected with the armature assembly, one end of the movable contact unit is fixed to the relative position of the static contact unit, and the other end of the movable contact unit is suitable for being driven by the armature assembly to be close to or away from the static contact unit; the terminal group is positioned on one side, deviating from the electromagnetic pushing system, of the contact system and is connected with the static contact unit and the movable contact unit; wherein the first direction is perpendicular to the third direction. According to the invention, the space layout of the relay is more reasonable, the structure is more compact, the occupied space is effectively reduced, the relay can be better matched with other parts, and the applicability is good.

The invention relates to a relay and an electric meter. The relay comprises a contact system, wherein the contact system comprises a movable contact unit and a static contact unit; a pushing system; the connecting structure is connected with the pushing system and the moving contact unit, and the connecting position of the connecting structure and the pushing system is located on the side, away from the static contact unit, of the moving contact unit. According to the application, the pushing system is connected with the moving contact unit through the connecting structure, and the connecting position of the connecting structure and the pushing system is located on the side, away from the static contact unit, of the moving contact unit, so that when the moving contact and the static contact are closed to generate an arc, the moving contact unit can block the arc to prevent ablation of the pushing system; and the overall reliability and service life of the relay are effectively improved.

The contactor comprises an electromagnetic assembly, a static contact and a movable assembly, the movable assembly comprises a movable contact, a first elastic part and a driving part which are connected, and the first elastic part is configured to generate elastic force supporting the movable assembly; the driving component is configured to generate electromagnetic driving force through a magnetic field generated by the electromagnetic assembly, and the controller is configured to control a movable contact and a static contact of the movable assembly to be closed and respond to the fact that the sensor detects that the driving component generates displacement based on electric repulsive force generated by current flowing through the movable contact and the static contact. And controlling the electromagnetic assembly to adjust the generated magnetic field so as to reduce electromagnetic driving force which is generated by the driving part according to the generated magnetic field and is opposite to the electric repulsive force, so that the movable contact is not closed with the static contact again. According to the contactor disclosed by the invention, fusion welding of the movable contact and the static contact in the short circuit process can be prevented, so that the contactor fault is avoided, and the equipment reliability is improved.

The invention relates to a relay and an electric meter. The relay comprises a pushing system; the contact system comprises a static contact unit and a movable contact unit, the static contact unit comprises a static magnetizer, the movable contact unit comprises a movable spring and a movable magnetizer, the movable magnetizer and the movable spring are separately formed and fixedly connected, the movable magnetizer and the static magnetizer are oppositely arranged, and the movable magnetizer is connected with the pushing system; wherein the movable magnetizer is suitable for getting close to or getting away from the static magnetizer under the driving of the pushing system, the first end of the movable spring is suitable for getting close to or getting away from the static contact unit under the driving of the movable magnetizer, and the second end of the movable spring is fixed relative to the static contact unit. According to the invention, the movable magnetizer and the static magnetizer are adopted to realize an anti-short-circuit function, different from an anti-short-circuit structure formed by bending the reed body in the prior art, the production process is simpler and more convenient, and the material cost is lower.

The invention discloses a PDU module and a charging device, and relates to the technical field of power distribution, the PDU module comprises a control board, PCBs, a first control group and a first conductive assembly, the PCBs are connected to the control board at intervals, the first control group comprises a plurality of first relays forming an n * n triangular matrix, and the first relays are fixed on the PCBs. The first conductive assembly respectively realizes electrical communication and cross bridging of relays in the same row and in the same column through the first conductive member, the second conductive member and the bridging busbar. According to the scheme, through the triangular matrix layout, the total number of relays is remarkably reduced on the premise that the same control function as a traditional full matrix is achieved; and meanwhile, the relays are integrated on the PCB and are uniformly controlled by the control panel, so that a large number of connectors and wire harnesses are omitted, the module volume, the material cost and the assembly cost are effectively reduced, and a flexible power distribution function is realized.

An electromagnetic relay includes a first fixed terminal, a second fixed terminal, a movable contact piece, a moving member, a drive device, and a magnet member. The first fixed terminal includes a first fixed contact. The second fixed terminal includes a second fixed contact. The movable contact piece includes a first movable contact facing the first fixed contact in a first direction and a second movable contact facing the second fixed contact in the first direction, the first direction including a contact direction toward the first fixed contact and a separation direction away from the first fixed contact. The moving member is connected to the movable contact piece. The drive device includes a coil, a movable iron core, and a first yoke. The coil generates electromagnetic force. The movable iron core is arranged radially outside of the coil and is fixed to the moving member. The first yoke includes an attracting portion to attract the movable iron core by the electromagnetic force. The magnet member is arranged radially outside of the coil and assists the attracting portion to attract the movable iron core.

A relay includes a pair of static contact leading-out terminals; a movable contact assembly including a movable contact piece are configured to contact with or separate from the pair of static contact leading-out terminals along a first direction; the movable contact assembly has a first and a second side surfaces along a third direction; wherein a moving direction of the movable contact piece, the first direction, and the third direction are perpendicular with each other; a push rod assembly including a contact bracket; the contact bracket has a first side wall corresponding to the first side surface and a second side wall corresponding to the second side surface along the third direction; and an anti-rotation structure including a first anti-rotation piece located between the first side wall and the first side surface and a second anti-rotation piece located between the second side wall and the second side surface.

An electromagnetic relay (100) comprises three fixed terminals (60), a first mobile terminal (71), a second mobile terminal (72), and an electromagnetic actuator (20). The three fixed terminals (60) are electrically connected to different current paths. The first mobile terminal (71) contacts and separates from a first fixed terminal (61) and a shared fixed terminal (63) of the three fixed terminals (60). The second mobile terminal (72) contacts and separates from a second fixed terminal (62) and the shared fixed terminal (63) of the three fixed terminals (60). The electromagnetic actuator (20) separately displaces the first mobile terminal (71) and the second mobile terminal (72). As a result, allowance and interruption of conduction between the first fixed terminal (61) and the shared fixed terminal (63) and allowance and interruption of conduction between the second fixed terminal (62) and the shared fixed terminal (63) can be independently switched.

The invention relates to the technical field of electricity meters, and particularly discloses a relay and an electricity meter thereof, comprising a mounting plate: a clamping frame is fixedly mounted on the front surface of the mounting plate, sliding grooves are formed in the upper and lower ends of the clamping frame, sliding plates are slidably connected to the inner sides of the sliding grooves, and heat dissipation fins of a heat conduction aluminum plate are attached to electronic components in the electricity meter. The n-pentane heat-conducting medium in the liquid storage box is heated and vaporized, the heat is absorbed, the heat dissipation capability is improved, the heat pushes the air cylinder to open the heat dissipation window, the air velocity in the electric meter is improved, the heat dissipation is enhanced, the temperature is continuously increased, and the heat-conducting medium is further vaporized, so that the inner current-conducting plate and the outer current-conducting plate are attached; and after the temperature is reduced, the heat-conducting medium is condensed, the air cylinder shrinks to block the heat dissipation window, the heat dissipation fan does not need to be automatically triggered by a temperature sensor, the consumption is reduced, the stability is improved, the cost is reduced, and the protection and moisture-proof performance is improved by the blocking window when the heat dissipation device is not used.

The invention relates to a MEMS sensor (100) comprising: a substrate (40) having a main plane of extension; a vibration mass (60) which is movably suspended in the z-direction (1000) relative to the substrate (40); and a sensor device (90) for detecting a measurement signal dependent on the position of the vibration mass (60). The at least two resonators (10, 11, 12) are suspended in an elastically movable manner relative to the substrate in the z-direction (1000). The actuatable electrode arrangement (30) is designed to resonate each of the at least two resonators (10, 11, 12) in order to generate a mechanical resonant vibration and to capacitively detect an interference variable dependent on at least one resonant frequency of the resonant vibration. The invention also relates to a method for compensating for systematic measurement deviations of a MEMS sensor (100).

The utility model relates to the technical field of electronic control devices, in particular to a relay, which comprises an insulating cover, a contact structure and a protective structure, and is characterized in that the contact structure is accommodated in the insulating cover; the protective structure is arranged on the circumferential side wall of the insulating cover, the protective structure is in contact with at least part of the circumferential side wall of the insulating cover, the protective structure comprises an elastic part, and the elastic part can apply pressure towards an inner cavity of the insulating cover to the insulating cover; and / or, the protection structure comprises a rigid part, and the rigid part can apply pressure towards the inner cavity of the insulation cover to the insulation cover, so that a safety protection effect can be achieved under extreme working conditions of short circuit, overload breaking and the like of the contact system, the sealing reliability of the cavity and the structural strength of the insulation cover are improved, and the high short circuit resistance requirement of a user is met.

The utility model relates to the field of circuit protection, in particular to a contactor integrated with an excitation function, and an excitation ignition assembly, a first piston, a first conductive part, an auxiliary contact system, a push rod, a melt, an air passage, a second piston and an elastic part are integrated in the contactor. The melt and the auxiliary contact system are connected in series and then are connected in series between the two static contacts. In a normal working state, the auxiliary contact system is insulated and disconnected, when an overload current, a short-circuit current or an abnormal condition occurs, the ignition assembly is excited to act to drive the first piston and the first conductive piece to move, the first conductive piece enables the auxiliary contact system to be conducted and closed, and the melt is connected into a main loop in a parallel connection mode; and then the second piston and the elastic piece are driven to displace through the air passage, so that the contact system is switched off, the elastic piece generates irreversible deformation, and the first piston and the first conductive piece push the push rod to disconnect the melt. According to the invention, the power loss is low, zero-current cut-off of a main loop can be realized, and the breaking capacity and the breaking reliability are improved.

The utility model relates to the technical field of electronic control devices, in particular to a relay, which comprises a contact structure, an insulating cover and a first protective structure, the contact structure comprises a plurality of static contacts and a movable contact piece, one end of each static contact and the movable contact piece are accommodated in the insulating cover, and two ends of the movable contact piece can be contacted with or disconnected from the static contacts; at least part of the first protection structure wraps the circumferential side wall of the insulating cover so as to apply pre-pressure towards the inner cavity of the insulating cover to the insulating cover. At least part of the first protection structure wraps the circumferential side wall of the insulating cover, and the first protection structure can tightly wrap and be attached to the outer portion of the circumferential side wall of the insulating cover, so that the pre-pressure facing the inner cavity of the insulating cover can be applied to the insulating cover, the pre-pressure can offset part of outward impact force, the safety performance is improved, and the service life of the insulating cover is prolonged. And meanwhile, the insulation cover is limited to be opened outwards.

The utility model discloses a relay which comprises an insulating cover, a pair of static contacts, a movable assembly and an anti-rotation structure. The pair of static contacts is connected to the insulating cover; the movable assembly comprises a push rod component and a movable contact assembly, and the push rod component is used for driving the movable contact assembly to move so as to be in contact with or separated from the pair of static contacts; the anti-rotation structure is used for limiting rotation of the push rod component around the axis of the push rod component and limiting rotation of the movable contact assembly around the axis of the push rod component.

The invention relates to a magnetic latching relay and an assembling method thereof. The magnetic latching relay comprises an armature assembly, the armature assembly comprises a shell and a permanent magnet arranged in the shell, the armature assembly further comprises a limiting structure, the limiting structure comprises a connecting part and a limiting part, the connecting part is connected to the shell, and the limiting part is connected to the end, away from the shell, of the connecting part; the auxiliary movable spring part is provided with a through hole, at least part of the connecting part is located in the through hole, and the limiting part is located on the side, opposite to the shell, of the auxiliary movable spring part so as to limit the auxiliary movable spring part on the shell. According to the magnetic latching relay, the assembly process of the auxiliary movable spring part is simplified, and the assembly difficulty and the preparation cost are reduced.

An electromagnetic relay includes a fixed contact, a fixed terminal, a coil, an iron core, and a spool. The fixed terminal includes a contact support portion on which the fixed contact is provided. The coil is disposed behind the fixed terminal. The iron core includes a shaft portion and a head portion. The spool includes a hole and a flange. The shaft portion is disposed in the hole. The flange includes a first front surface and a second front surface. The hole is open at the first front surface. The first front surface is disposed rearward of and facing the head portion. The second front surface is disposed rearward of and facing the contact support portion. The second front surface is spaced a predetermined distance rearward from the first front surface. The predetermined distance is greater than the thickness of the contact support portion in the front-rear direction.

The present application relates to the technical field of contactor, disclose a kind of multifunctional contactor, including upper shell and the base of being clamped with upper shell, movable support, moving iron core, coil support, coil winding, static iron core are arranged from top to bottom in upper shell and base, wherein coil support, coil winding and static iron core are fixed in base, coil support is set on static iron core, return spring is arranged between coil support and moving iron core, movable support is connected with moving iron core and slides in upper shell, movable support is parallelly provided with multiple movable contact point groups, and fixed contact point group is arranged on both sides of each movable contact point group.The multifunctional contactor, by the cooperation design of contact roller and semicircular arc groove, converts wire contact into surface contact, increases contact area, reduces on-resistance, reduces current loss;The combination of friction strip and inclined groove surface makes the contact roller produce slight rotation each time, avoids local excessive wear, prolongs the service life of contact point.

The utility model relates to the field of circuit protection, in particular to an excitation integrated contactor with high breaking capacity, which comprises a driving system and a contact system, and further comprises an integrated excitation source, an excitation action assembly and an elastic piece, the elastic piece is arranged for one moving contact, one end of the elastic piece is fixed, the other end of the elastic piece is a free end, the excitation action assembly is fixedly connected with the free end of the elastic piece, the excitation source drives the excitation action assembly to move, the contact system is forcibly opened, and meanwhile, the elastic piece generates elastic deformation capable of restoring to the initial position; and the elastic piece, the moving contact and the excitation action assembly are all reset to initial positions during normal opening. The contactor has normal functions of the contactor and also has large current breaking and resetting functions, so that normal use of the contactor is ensured while the breaking range of the contactor is widened.

A relay includes a movable contact assembly comprising a movable contact piece; a push rod assembly configured to push the movable contact assembly to move, to make the movable contact piece contact with or separate from a static contact leading-out terminal; a limiting component connected to the movable contact assembly and the push rod assembly, and configured to restrict the movable contact assembly from rotating around an axis of the push rod assembly relative to the push rod assembly; and an elastic assembly configured to provide a contact pressure.

The invention discloses an insulating main contact contact structure and a contactor, the insulating main contact contact structure comprises a base part, an insulating shaft sleeve, a transmission rod, an arc extinguishing grid sheet, a screw A, a movable contact and a fixing assembly, the insulating shaft sleeve is arranged in the base part, the transmission rod penetrates through the insulating shaft sleeve, the transmission rod penetrates through the base part through the insulating shaft sleeve, and the arc extinguishing grid sheet is arranged on the base part. The arc extinguishing grid sheet is connected and fastened with the base part through a screw A. The movable contact is arranged on the insulating shaft sleeve. In the using process of the prepared contactor, due to the fact that the arc extinguishing grid pieces are designed between the contacts, the arc burning time of the contacts of the contactor in the on-off process is shortened, and ablation splashes of the contacts are reduced; and meanwhile, the insulated gate sheet with the inverted E-shaped cross section is designed and assembled on the base, so that the insulating property between the static contacts is improved, the insulating property between the main contacts of the contactor is improved, and the service life of the contactor is prolonged.

The invention provides a relay contact pressure debugging method and device, equipment and a storage medium. A moving contact of the relay is arranged on the leaf spring, one end of the leaf spring is connected with the first part, and the moving contact is far away from or close to the static contact by rotating the first part. Before debugging, a first distance between a moving contact and a static contact is determined on the basis of a target debugging pressure under the condition that the target debugging pressure is applied to the moving contact on the leaf spring in the direction away from the static contact, and a first angle is determined on the basis of the first distance; the first angle can indicate a first angle that the first part needs to rotate under the condition that the leaf spring does not elastically deform and the moving contact of the leaf spring horizontally moves by a first distance. Therefore, after the first angle is calculated in advance, the moving contact can be close to the static contact and the pressure applied to the static contact by the moving contact is the target debugging pressure only by controlling the first part to rotate by the first angle along the specific direction, so that the debugging process is saved, and the production efficiency is improved.

Fault breaking contactors are disclosed. In an embodiment, an electromechanical switching device includes one or more terminals; a moveable contact; and an actuator assembly for moving the moveable contact between a closed position in which the moveable contact contacts the one or more terminals and an open position in which an air gap is maintained between the moveable contact and the one or more terminals; and a dynamic air gap mechanism configured to increase the air gap beyond that of the closed position in response to a fault current.

Switching devices comprising a hermitically sealed switching modules with a core or housing structure that allow for the coil assembly to be mounted outside the hermitically sealed housing. This helps avoid some of the complex manufacturing and testing requirements necessary for conventional coil assemblies arranged inside the sealed housing. The present inventions also provides for improved and more reliable auxiliary switch arrangements, with some embodiments comprising an improved auxiliary arm and auxiliary carrier. The present invention also provides for an improved lunger or shaft structure that allows for operation at high voltage, with some embodiments comprising heat resistance and isolation components particularly arranged to accommodate high voltage operation.

The present invention discloses a protective short-circuit-proof relay, comprising a base, a side plate is provided on one side of the top of the base, and a shell is connected between the other side of the top of the base and the side plate, an electromagnetic coil is installed on the top of the base, and a bracket is installed on the top of the base between the electromagnetic coil and the shell, a horizontal plate is rotatably connected to the bracket, and an armature is connected to the horizontal plate. In the protective short-circuit-proof relay, when the electromagnetic coil is energized and the armature is attracted to drive the moving contact to approach the second static contact, the second connecting piece moves downward in the cylinder body through the sliding rod pressed by the shifting frame, so that the cylinder body discharges air downward through the narrower first opening on the opening plate. Since the diameter of the first opening is limited, the exhaust effect is limited, thereby playing a buffering effect, thereby avoiding the rapid collision when the moving contact contacts the second static contact, which causes crack damage to the contact over a long period of time, thereby extending the service life.

The utility model relates to a high-voltage direct-current relay. The high-voltage direct-current relay comprises a static contact which is provided with a static contact point; the movable assembly comprises a pushing mechanism, a movable spring mechanism, an elastic element and a support, the movable spring mechanism is provided with a movable contact and elastically matched with the pushing mechanism through the elastic element, the support comprises two first supporting arms, and the two first supporting arms are located on the two opposite sides of the elastic element in the axial direction respectively; the two first support arms are connected to the pushing mechanism and are in sliding fit with the movable spring mechanism; the at least one first support arm comprises a support arm main body and a support structure, the support structure is inclined to the support arm main body, and one end, far away from the support arm main body, of the support structure is used for supporting the movable spring mechanism on a moving path far away from the static contact when the movable contact and the static contact are bounced off due to short-circuit current. The high-voltage direct-current relay has the advantages of being small in size, low in cost and high in short-circuit current and voltage resistance.

The utility model relates to a direct-acting relay which comprises a shell, a push rod, a magnetic circuit part, a contact part and a lead-out part. The housing has a first side portion. The magnetic circuit part comprises a coil rack, and a coil is wound on the coil rack. The contact part comprises a main contact piece, a main static contact, an auxiliary movable contact piece and an auxiliary static contact. The main contact piece and the auxiliary movable contact piece can move along with the push rod. The leading-out part comprises a main leading-out piece, an auxiliary leading-out piece and a coil leading-out piece, the main leading-out piece, the auxiliary leading-out piece and the coil leading-out piece are respectively provided with a connecting end and an installing end, the connecting end of the main leading-out piece is connected with the main static contact, the connecting end of the auxiliary leading-out piece is connected with the auxiliary static contact, and the connecting end of the coil leading-out piece is connected with the coil. All the mounting ends are located on the side, away from the magnetic circuit part and the contact part, of the first side part. Therefore, the direct-acting relay can be electrically connected and matched with the client equipment conveniently, and the electric connection efficiency is improved.

The relay comprises a ceramic cover, an auxiliary static contact fixedly arranged on the ceramic cover, a coil assembly arranged below the ceramic cover and a PCB used for controlling the coil assembly to work, and the coil assembly is provided with a winding terminal; the relay further comprises an auxiliary leading-out terminal correspondingly connected with the auxiliary static contact, a coil leading-out terminal electrically connected with the winding terminal through the PCB and an insulating part used for fixedly holding the auxiliary leading-out terminal and the coil leading-out terminal, and the insulating part is integrally formed through injection molding. According to the relay, the insulating part used for fixedly holding the auxiliary leading-out terminal and the coil leading-out terminal is integrally formed through injection molding, so that forming and assembling are facilitated, the manufacturing procedures are reduced, the manufacturing efficiency is improved, the manufacturing cost is reduced, the structural strength is enhanced, and the relay is more compact in structure and smaller in size.