3685results about "Electromagnetic relay details" patented technology

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.

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.

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 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 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 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 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 frame 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; a filling layer is arranged between the frame structure and the insulating cover, and the frame structure is in indirect contact with the circumferential side wall of the insulating cover through the filling layer. A filling layer is arranged between a frame structure and an insulating cover, the space formed between the frame structure and the circumferential side wall of the insulating cover is filled with the filling layer, the frame structure makes contact with the circumferential side wall of the insulating cover through the filling layer, and the filling layer is used for absorbing the dimensional tolerance of the insulating cover and the frame structure. The gap between the insulation cover and the frame structure is filled, the filling layer and the frame structure jointly form a protection structure with higher strength, it is guaranteed that the protection structure is completely attached to the circumferential side wall of the insulation cover, and the safety performance is improved.

The utility model relates to the technical field of electronic control devices, in particular to a high-voltage direct-current relay which comprises an insulating cover, an insulating seat and an auxiliary static spring, the insulating cover is connected with the insulating seat, and the insulating cover is provided with a fixing hole; the side, facing the insulating cover, of the insulating base is provided with an installation structure, the auxiliary static spring is provided with a contact end and a leading-out end, the part, close to the contact end, of the auxiliary static spring is installed on the installation structure, the part, close to the leading-out end, of the auxiliary static spring penetrates through the fixing hole, and the leading-out end is located outside the insulating cover. The part, close to the contact end, of the auxiliary static spring is installed on the installation structure, the part, close to the leading-out end, of the auxiliary static spring is arranged in the fixing hole in a penetrating mode, stable installation of the auxiliary static spring is achieved, and the leading-out end of the auxiliary static spring is located outside the insulation cover to achieve signal detection.

The relay comprises an insulating cover, a pair of static contacts and a movable contact piece, the insulating cover is provided with an inner cavity, and the insulating cover is further provided with a pair of mounting holes communicated with the inner cavity; each static contact is provided with an extending part, a connecting part and a contact part, the extending part is connected with the contact part through the connecting part, the two connecting parts are respectively arranged in the pair of mounting holes in a penetrating manner, and the extending part is positioned on the outer surface of the insulating cover and is connected with the insulating cover; the contact part is positioned in the inner cavity and is provided with a static contact part; the movable contact piece is provided with a movable contact part corresponding to the static contact part; the orthographic projections of the movable contact part and the static contact part on a target plane have overlapped first projections, the orthographic projection of the connecting part on the target plane is a second projection, and at least part of the first projection falls outside the second projection; wherein the target plane is perpendicular to the moving direction of the moving contact.

The application discloses a relay, which comprises static contact lead-out ends, a moving spring assembly, a push rod assembly, a first anti-rotation assembly and a second anti-rotation assembly. The moving spring assembly comprises a moving spring sheet, two ends of the moving spring sheet in a first direction are used for contacting or separating from a pair of static contact lead-out ends respectively; the first direction is the arrangement direction of the pair of static contact lead-out ends, and the movement direction of the moving spring sheet is defined as a second direction; the moving spring assembly has a first side surface and a second side surface which are oppositely arranged along a third direction perpendicular to the first direction and the second direction; the push rod assembly comprises a contact support with a first side wall and a second side wall which are oppositely arranged along the third direction; the first side wall corresponds to the first side surface, and the second side wall corresponds to the second side surface; the first anti-rotation assembly comprises a first magnet and a second magnet, and the same-pole magnetic poles of the first magnet and the second magnet face each other; and the second anti-rotation assembly comprises a third magnet and a fourth magnet, and the same-pole magnetic poles of the third magnet and the fourth magnet face each other.

The utility model relates to a high-voltage direct-current relay. The high-voltage direct-current relay comprises a static contact and a movable assembly, and the static contact is provided with a static contact point. The movable assembly comprises a movable spring mechanism, a pushing mechanism, an elastic element and a fastener, the movable spring mechanism is provided with a movable contact opposite to the static contact, the movable spring mechanism is elastically matched with the pushing mechanism through the elastic element, the movable spring mechanism can move in the direction close to the pushing mechanism to extrude the elastic element, and the movable spring mechanism comprises a movable reed and a lower armature; and the fastener penetrates through the lower armature and is connected with the movable contact spring so as to fix the lower armature on the movable contact spring, and the fastener protrudes out of one side, facing the pushing mechanism, of the movable spring mechanism and is used for abutting against the pushing mechanism on a moving path, far away from the static contact, of the movable spring mechanism when the movable spring mechanism is bounced off relative to the static contact 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 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 movable spring mechanism, a pushing mechanism, an elastic element, a support and a supporting element, the movable spring mechanism is elastically matched with the pushing mechanism through the elastic element, and the two first supporting arms of the support are located on the two opposite sides of the movable spring mechanism respectively; the first supporting arms are connected to the pushing mechanism and are in sliding fit with the movable spring mechanism, the two ends of the supporting element are connected to the two first supporting arms respectively, the supporting element and the movable spring mechanism are partially opposite and arranged in a spaced mode, and when the movable contact and the static contact are bounced off under the action of short-circuit current, the movable contact and the static contact are separated from each other. The supporting element is used for abutting against the movable spring mechanism on the path where the movable spring mechanism moves towards the pushing mechanism. 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 invention discloses a relay coil automatic buckling and pressing device and an assembling machine thereof, the relay coil automatic buckling and pressing device comprises an assembling platform, a transfer feeding mechanism and a pressing mechanism, and the assembling platform comprises a clamping and limiting assembly and a jig; the jig is horizontally arranged; the clamping and limiting assembly is arranged at the side part of the jig and is used for clamping and limiting the relay assembly in the jig; the transfer feeding mechanism is arranged at the side part of the assembly platform, and the transfer feeding mechanism receives and adaptively clamps and fixes the relay coil; the pressing mechanism is erected above the assembling platform, outputs downward power, converts one-way vertical power into power in the vertical direction and the horizontal direction through an inclined guide groove and is used for pressing a relay coil into a relay hook. Automatic swing feeding of the relay coil is achieved, self-adaptive elastic clamping and fixing are achieved, the relay coil is loosened in a linkage mode while discharging is conducted, the feeding and discharging efficiency is improved, Z-shaped path material pressing is achieved in a single-power driving mode, and motion interference is effectively avoided.

The present disclosure relates to a BDU unit, a battery pack, and a vehicle, including a circuit board, a relay having a connection terminal extending in a thickness direction of the circuit board, and a connector having a first connection portion connected to the circuit board, a second connection portion connected to the circuit board, and a deformation portion connected to the circuit board. The second connecting part is connected with the connecting terminal, and the deformation part is used for adjusting the position of the second connecting part in the plate thickness direction through self deformation. According to the technical scheme, the BDU unit provided by the utility model can reduce the tolerance size matching requirement of relay installation.

A battery disconnect unit including a housing, an electronic relay module installed on a charge / discharge line of a battery within the housing and including electronic switch devices capable of a switching operation of selectively blocking the flow of a current in the charge / discharge line, a heat dissipation cover provided with a structure surrounding at least a portion of the electronic relay module and formed of a material capable of heat exchange with the electronic relay module, and a cooling plate disposed in contact with the heat dissipation cover and provided to allow a refrigerant to flow in the cooling plate.

The relay iron sheet automatic feeding device comprises a feeding mechanism, a self-adaptive rotary conveying mechanism and a material taking mechanism, and the feeding mechanism is arranged on the outer side of a discharging opening of a vibration disc; the self-adaptive rotary conveying mechanism is arranged on the side portion of the feeding mechanism, horizontally receives the relay iron sheets guided out by the feeding mechanism, and drives the relay iron sheets to rotate to the vertical direction after pressing the relay iron sheets in a self-adaptive mode through elastic force. And the material taking mechanism is erected on the side part of the self-adaptive rotary conveying mechanism. According to the automatic feeding device, full-automatic continuous batch feeding of the relay iron sheets is achieved, the standby time is shortened, the feeding efficiency is effectively improved, direction rotation of the relay iron sheets is synchronously achieved while continuous feeding is guaranteed so that the relay iron sheets can adapt to the subsequent assembling direction, self-adaptive linkage pressing and loosening can be achieved in the relay iron sheet rotating process, and the production efficiency is improved. Position stability and relay iron sheet taking and placing during rotation are guaranteed, working procedures and action connection time are reduced, and rotation efficiency is improved.

The relay comprises a pair of static contacts, a movable contact assembly and an anti-short-circuit structure, and the two ends of the movable contact assembly in the length direction are used for making contact with the pair of static contacts respectively; the movable contact assembly comprises a plurality of movable branch parts; the anti-short-circuit structure comprises a first magnetizer and a connecting part, the first magnetizer is arranged on one side, facing the static contact, of the movable contact assembly, the first magnetizer is provided with a plurality of magnetic conductive parts arranged at intervals, and the connecting part is connected to two adjacent magnetic conductive parts; in the moving direction of the movable contact assembly, the plurality of movable branch parts and the plurality of magnetic conductive parts are provided with corresponding movable branch parts and magnetic conductive parts, orthographic projections of the corresponding magnetic conductive parts and movable branch parts on a target plane have overlapping areas, and the target plane is perpendicular to the moving direction of the movable contact assembly.

The utility model discloses a relay. The relay comprises a sealing shell, a contact assembly and filler. The contact assembly comprises a movable contact piece and a static contact piece, the movable contact piece is provided with a movable contact located in the sealing shell, the static contact piece is provided with a static contact located in the sealing shell, and the movable contact is used for being in contact with or separated from the static contact. And the filler is filled in the sealing shell and is used for reducing the risk of adhesion between the movable contact and the static contact.

The utility model relates to the technical field of electronic control devices, in particular to a relay which comprises an installation structure and an auxiliary static spring, the auxiliary static spring is installed on the installation structure, the installation structure is provided with a limiting part, the auxiliary static spring is provided with a limiting matching part, and the limiting matching part is matched with the limiting part. The auxiliary static spring is limited to move relative to the installation structure, and then stable installation of the auxiliary static spring is achieved.

The invention discloses a relay, which comprises a push rod assembly, a movable contact assembly and an elastic assembly, and is characterized in that the movable contact assembly comprises a movable contact piece; the elastic assembly is connected to the push rod assembly and the movable contact assembly and is used for providing contact pressure for the movable contact piece; the elastic assembly is provided with a first fulcrum and comprises a first leaf spring and a second leaf spring. In the over-travel process, the push rod assembly extrudes the elastic assembly, and the push rod assembly has an over-travel initial position and a first transition position in sequence relative to the position of the movable contact. Before the push rod assembly moves from the over-travel initial position to the first transition position, the first leaf spring deforms with the first fulcrum as the rotating point and is provided with a first force arm. And at the first transition position, the first leaf spring is in contact with the second leaf spring.

The utility model relates to a relay which comprises a pushing assembly and an auxiliary moving contact assembly. The auxiliary moving contact assembly comprises an auxiliary moving contact piece, a retaining wall and an insulating base, the insulating base is installed on the pushing assembly, the retaining wall is arranged on the insulating base, the retaining wall surrounds the periphery of the insulating base and forms a containing groove in the insulating base in a surrounding mode, and the auxiliary moving contact piece is arranged in the containing groove. The retaining wall is arranged on the insulating seat, the retaining wall surrounds the periphery of the insulating seat and forms the accommodating groove on the insulating seat, the accommodating groove provides an accommodating space for the auxiliary moving contact, and after the auxiliary moving contact is mounted in the accommodating groove, the creepage distance between the main moving contact assembly and the auxiliary moving contact can be effectively increased through the side wall (namely the retaining wall) of the accommodating groove. The risk that the main moving contact component and the auxiliary moving contact component are broken down under high-voltage impact is reduced, and the safety performance of the relay is effectively improved.

The utility model discloses a relay which comprises a shell, an internal part, a coil assembly, an exciter and a monitoring control assembly. The internal component is configured to switch the relay between a closed state and an open state in response to an input signal. The coil assembly is used for driving the internal component to move. The exciter is configured to generate gas impact force when the exciter is activated, and the gas impact force is used for driving the internal part to move, so that the relay is switched from a closed state to an open state; the monitoring control assembly is electrically connected with the coil assembly and the exciter, and is configured to monitor a current value passing through the internal part, and control the coil assembly to be powered off or activate the exciter according to a comparison result of the current value, a first threshold value and a second threshold value; the first threshold is smaller than the second threshold. When the current value is larger than or equal to the first threshold value and smaller than the second threshold value, the monitoring control assembly controls the coil assembly to be powered off. When the current value is larger than or equal to the second threshold value, the monitoring control assembly activates the exciter.

The high-performance single-pole double-throw relay comprises a coil, a permanent magnet and a soft magnet, a supporting frame is arranged below the permanent magnet, a left pressure elastic piece and a right pressure elastic piece are arranged on the two sides of the lower portion of the supporting frame, and a left through hole and a right through hole are formed in the soft magnet. A left push rod ball and a right push rod ball are arranged in the left through hole and the right through hole respectively, and a left movable contact piece and a right movable contact piece are arranged below the left push rod ball and the right push rod ball respectively. According to the high-performance single-pole double-throw relay, when the permanent magnet pushes the push rod ball, the permanent magnet firstly contacts with the pressure elastic sheet on the surface of the permanent magnet, and due to the elastic force effect of the pressure elastic sheet, shaking of the push rod ball is reduced, the performance of the relay is improved, and the manufacturing cost of the relay is also reduced.

The utility model discloses a relay which comprises a contact part and an arc blowing assembly. The contact part comprises two contact assemblies, and each contact assembly comprises two static contacts and a movable contact piece used for making contact with or being separated from the static contacts. The arrangement direction of the two static contacts of the contact assembly is defined as a first direction, the movement direction of the movable contact piece is defined as a second direction, the first direction is perpendicular to the second direction, and the direction perpendicular to the first direction and the second direction is defined as a third direction; the plurality of contact assemblies are arranged along a third direction; the arc blowing assembly comprises four permanent magnets, and the four permanent magnets are located on the two sides of the contact part in the first direction respectively and correspond to the four static contacts in position respectively. Wherein the magnetic poles of the surfaces, facing each other, of the two permanent magnets corresponding to the same contact assembly are opposite, and in the third direction, the magnetic poles of the surfaces, facing the corresponding static contacts, of the two adjacent permanent magnets are opposite.

The invention belongs to the technical field of battery equipment, and particularly relates to a shell structure of a high-voltage box, the high-voltage box, a battery and electric equipment. The housing structure comprises an insulating housing, which is provided with an inner cavity used for installing an electrical device, and is provided with an assembling side wall; the connector is installed on the outer side, away from the inner cavity, of the assembling side wall, the connector is provided with a connecting terminal and a shielding layer, the shielding layer surrounds the connecting terminal, and the connecting terminal penetrates into the inner cavity and is used for being electrically connected with an electrical device; the metal plate is installed on the outer side, away from the inner cavity, of the assembling side wall, the metal plate is located between the connector and the assembling side wall, an assembling through hole is formed in the metal plate, and the connecting terminal penetrates through the assembling through hole and the shielding layer to be electrically connected with the metal plate; and the first end of the grounding part is electrically connected with the metal plate, and the second end of the grounding part is used for grounding. By applying the technical scheme, the problem of low assembly efficiency of the high-voltage box caused by the complex overall design structure of the high-voltage box in the related technology is solved.

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 protective structure, the contact structure comprises a plurality of static contacts and a movable contact piece, one ends of the plurality of static contacts 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; the protection structure is located outside the insulation cover, at least part of the protection structure is arranged on the circumferential side wall of the insulation cover, at least part of the protection structure can generate elastic deformation and abut against the circumferential side wall of the insulation cover so as to apply pre-pressure towards an inner cavity of the insulation cover to the insulation cover, and the pre-pressure can counteract part of outward impact force. Meanwhile, the insulation cover is limited to be opened outwards, the insulation cover is effectively protected, particularly the weak circumferential side wall of the insulation cover can be protected, the structural strength of the insulation cover is enhanced, and the safety performance is improved.

The present invention relates to a small-volume magnetic latching relay for smart homes. It solves the problem of existing relays becoming larger as the load increases. The relay comprises a mounting base, an electromagnetic mounting structure disposed in the middle of the mounting base, an L-shaped armature connection assembly disposed on the electromagnetic mounting structure, the L-shaped armature connection assembly and the electromagnetic mounting structure forming an installation space, an electromagnetic system assembly disposed within the installation space, one end of the L-shaped armature connection assembly being connected to the upper end of the electromagnetic system assembly in an opening and closing manner, an electromagnetic return mechanism disposed on one side of the L-shaped armature connection assembly, one side of the electromagnetic return mechanism being plugged into the L-shaped armature connection assembly, a dynamic spring mechanism disposed on one side of the electromagnetic return mechanism, a static spring mechanism disposed on one side of the dynamic spring mechanism, and an assembly housing disposed circumferentially around the mounting base that encloses the entire device. The present invention has the advantages of simplifying the internal structure of the relay, minimizing the assembly volume of the relay, and extending its applicability.

The utility model discloses a relay which is provided with pin terminals used for bearing current inflow or outflow respectively, the end portion, used for being connected to the outside, of each pin terminal is provided with at least two connecting portions arranged at intervals in the width direction of the pin terminal, and the sectional area of the end portion of each connecting portion is gradually reduced towards the tail end of the connecting portion to form a tip shape. When the pin terminal is pulled out of a tin furnace, liquid is separated more easily, so that the undesirable phenomenon of the tin tip is reduced, product management and control are facilitated, subsequent processing procedures caused by the undesirable tin tip are avoided, the contact area of the tin liquid and the joint part can be reduced through the tip shape, the tail end of the joint part can enter the tin liquid and pierce the surface of the tin liquid, and the product quality is improved. And copper exposure caused by incomplete tinning is avoided, so that firm welding between the relay and the PCB is ensured when the relay is applied to the PCB.

The utility model discloses a contact part and a magnetic latching relay. The contact part comprises a static contact assembly which comprises a static contact body and a static contact arranged on the surface of the static contact body; the movable spring assembly comprises a movable spring body and a movable contact arranged on the surface of the movable spring body, one end of the movable spring body is a fixed end, the other end of the movable spring body is a movable end, and the movable contact is arranged close to the movable end; the movable contact and the static contact are arranged in a face-to-face manner and can be contacted with or separated from the static contact; the first magnetic conducting piece and the static contact piece body are kept relatively static, the first magnetic conducting piece is located in a magnetic field corresponding to the conductive part of the movable spring body and located between the movable contact and the fixed end in the extension direction of the movable spring body, and the first magnetic conducting piece is suitable for attracting the movable spring body to be close to the static contact piece body when the movable spring body is powered on; therefore, the movable contact and the static contact resist the electric repulsive force and are kept in a closed conduction state. The contact part provided by the embodiment of the utility model can improve the anti-short-circuit performance of the relay.