1879results about "Electromagnetic relay details" patented technology

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 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 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 utility model 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 utility model discloses an electromagnetic relay and a power utilization device. The electromagnetic relay comprises a static contact assembly provided with a static contact, a movable spring assembly, a first magnetic conductive piece and a second magnetic conductive piece. The movable spring assembly comprises a movable spring body and a movable contact arranged on the movable spring body; one end of the movable spring body is a fixed end, and the other end is a movable end; and the movable contact can be in contact with or separated from the static contact. The first magnetic conducting piece is fixedly connected with the insulating structure and is located in a magnetic field corresponding to the part, used for current circulation, of the movable spring body; the second magnetic conducting piece is fixedly connected to the side, away from the static contact, of the movable spring body, the second magnetic conducting piece and the first magnetic conducting piece are oppositely arranged, and when the movable contact and the static contact are closed and conducted, the first magnetic conducting piece and the second magnetic conducting piece form a closed magnetic loop based on current flowing in the movable spring body and generate electromagnetic attraction force; and the movable contact and the static contact are driven to resist the electric repulsive force and keep a closed conduction state. The relay provided by the embodiment of the utility model has the advantages of excellent short-circuit resistance, low consumption of copper consumables and low cost.

A contact mechanism and a direct current contactor of the present invention. An auxiliary moving contact module moves in an interlocked manner with a transmission member, which is a moving part, and a moving contact bridge on the transmission member, a dimensional chain is short, and the movement stroke is stable and reliable. Since a reed is in interlocking fit with the transmission member and the moving contact bridge by means of a base, the transmission member can push the base to enable the moving contact bridge and the reed to synchronously perform disconnection motion, so that necessary disconnection can be ensured by means of a relatively large counterforce of a main spring even if the reed is adhered to an auxiliary fixed contact, thereby ensuring that the on-off states of a main contact and an auxiliary loop are consistent.

The application relates to the field of low-voltage electrical apparatus, in particular to a contact system and a switch electrical apparatus comprising the same, the contact system comprising a pivotally arranged rotary contact structure and at least one movable contact structure, the rotary contact structure comprising a rotary contact, the rotary contact comprising a rotary contact part, the movable contact structure comprising a movable contact, the movable contact comprising a movable contact part, the rotary contact part and the movable contact part being combined to make the rotary contact and the movable contact closed when the rotary contact is in a closed position; the movable contact structure further comprising an elastic member matched with the movable contact; during the breaking process of the rotary contact and the movable contact, the elastic member stores energy when the rotary contact part drives the movable contact part to move from an initial position to a disengagement position, the rotary contact continues to rotate, the elastic member releases energy to drive the movable contact part to reset to the initial position; the contact system and the switch electrical apparatus have high breaking capacity.

The utility model relates to the technical field of electric control devices, in particular to a movable contact module and a relay, the movable contact module comprises a first movable contact piece and a second movable contact piece, the first movable contact piece comprises a first wall and a second wall which are not parallel, one end of the second wall is connected with the first wall, and the other end of the second wall is provided with a first contact; the second movable contact piece is arranged on the side, facing the second wall, of the first wall, and a second contact is arranged at the end, deviating from the first wall, of the second movable contact piece.

The utility model relates to the technical field of electronic control devices, in particular to a relay which comprises a movable contact assembly, a static contact assembly, a first elastic piece and a second elastic piece. The movable contact assembly can reciprocate along a first direction so as to be in contact with or separated from the static contact assembly; the movable contact assembly comprises a first movable contact piece and a second movable contact piece, and the first movable contact piece and the second movable contact piece are arranged along a first direction; the first elastic piece is connected with the first movable contact piece, and the second elastic piece is connected with the second movable contact piece; the first movable contact piece can move along a first direction relative to the static contact assembly so as to drive the second movable contact piece to move along the first direction relative to the static contact assembly; and the first elastic piece and the second elastic piece can generate elastic deformation when the movable contact assembly is in contact with the static contact assembly, so as to apply pressure towards the static contact assembly to the first movable contact piece and the second movable contact piece, thereby independently controlling the contact pressure between each movable contact piece and the static contact assembly.

The utility model relates to a high-voltage direct-current relay. The high-voltage direct-current relay comprises a push rod, an auxiliary static contact and an elastic auxiliary movable contact. The push rod is provided with a first end, the auxiliary moving contact comprises a cover body, and the cover body is arranged at the first end. Under the driving of the push rod, the auxiliary moving contact piece can move in the direction close to or away from the auxiliary static contact piece, so that the auxiliary static contact piece is in contact with or separated from the auxiliary moving contact piece. When the auxiliary static contact piece is contacted with the auxiliary moving contact piece, the auxiliary static contact piece is pressed against the auxiliary moving contact piece, so that the auxiliary moving contact piece is deformed to generate elastic force, and the contact pressure between the auxiliary moving contact piece and the auxiliary static contact piece is increased, so that the auxiliary static contact piece can be better contacted with the auxiliary moving contact piece; and meanwhile, the elastic force of the auxiliary moving contact provides counter force for the separation of the auxiliary static contact and the auxiliary moving contact. Moreover, there is no need to independently arrange a spring, a moving contact and other parts, thereby reducing the assembly of parts, and improving the assembly efficiency. The auxiliary moving contact is connected to the push rod, so that the perpendicularity is better, and the auxiliary moving contact is prevented from inclining.

The utility model relates to an electromagnetic relay which comprises an armature assembly, a static spring assembly, a movable spring assembly, a pushing card and a permanent magnet. The static spring assembly comprises a static reed and a static contact arranged on the static reed. The movable spring assembly comprises a movable reed and a movable contact arranged on the movable reed. The pushing card is connected with the armature assembly and the movable contact spring. The pushing card can push the movable contact spring so that the movable contact and the static contact can be contacted or disconnected. And the permanent magnet is arranged on the pushing card and corresponds to the static contact and / or the movable contact, and a magnetic field formed by the permanent magnet is used for realizing arc extinguishing. Under the action of the pushing card, the permanent magnet can be always close to the arcing point to the limit, so that the magnetic field intensity acting on the arcing point is relatively strong, the arc extinguishing effect is better, the permanent magnet with the same magnetic efficiency can be smaller and lighter, the weight of the pushing card is reduced, the power consumption of the coil is reduced, miniaturization is facilitated, and the cost is reduced. As the permanent magnet can move along with the pushing card, the permanent magnet does not need to cover the static contact and the movable contact, thereby being beneficial to reducing the size and reducing the weight.

The utility model relates to a mechanical holding relay, which comprises a relay base and an upper cover in buckling connection, a driving motor is arranged in the relay base, and the driving motor is connected with at least two movable contact plates rotating around a shaft through a gear transmission mechanism. One end of the movable contact plate is connected with a conductive sheet arranged on the relay base through a flexible conductive piece, the other end of the movable contact plate is provided with a movable contact, the relay base is also provided with a static sheet, the static sheet is provided with a static contact, and the movable contact is in contact with or separated from the static contact; the beneficial effects are that 1, the driving motor drives the movable contact plate to rotate positively and negatively through the gear transmission mechanism to realize opening and closing of the switch; 2, two stroke limit switches are arranged on the circuit board to control the opening and closing positions, and the control switch can automatically cut off the power supply of the motor after the opening and closing are in place, so that the over-stroke action is avoided;

The utility model discloses a relay. The relay comprises a sealing shell, a plurality of contact assemblies and an isolation seat, the contact assembly comprises a movable contact piece and two static contacts, the static contacts are arranged on the sealing shell, and the movable contact piece is movably arranged in the sealing shell and used for making contact with or being separated from the two static contacts. The isolation seat is arranged in the sealing shell and comprises a first isolation structure, and the first isolation structure is arranged between the adjacent contact assemblies.

The invention relates to an element (100) for use in a micro-electro-mechanical system (200), in particular for use in semiconductor technology equipment, and to a micro-electro-mechanical system (200) comprising such an element (100). The element (100) comprises a MEMS structure (101) and at least one coating (140) applied over a large area to designated partial surfaces (135, 155) of the MEMS structure (101) from one side of the element (100), wherein the MEMS structure (100) has at least one otherwise non-functional special shape (160) with which at least a continuous parasitic coating (145) is avoided for certain areas away from the designated partial surfaces (135, 155).

A connection structure of a plurality relays and busbars, wherein the relays include: a first relay for switching a first circuit as a predetermined electrical circuit between a powered and a non-powered states; and a second relay for switching a second circuit, which is different from the first circuit, as a predetermined electrical circuit between a powered and a non-powered states, the first and second circuits being configured to be supplied with power in the powered state and to be supplied with no power in the non-powered state. The busbars include: a first busbar connected to the first relay to form the first circuit; and a second busbar connected to the second relay to form the second circuit. The first busbar and the second busbar are connected for releasing heat, wherein the second busbar is in the non-powered state in the powered state of the first circuit.

The utility model discloses a relay, an electric control assembly and an electricity meter, the relay is used for being connected with an electric control board, the relay comprises a relay body, a load terminal and a sampling pin, the load terminal and the sampling pin are both located outside the first side of the relay body along the Y-axis direction, and the sampling pin is connected with the load terminal and the electric control board; an isolation part which is located between the load terminal and the electric control board and used for at least partially separating the load terminal from the electric control board is arranged on the first side, in the Y-axis direction, of the relay body in a protruding mode, and the isolation part is provided with first through holes corresponding to the sampling pins. The electric control assembly comprises the relay. The electric meter comprises the electric control assembly. When the electronic control board is applied, the space utilization rate of the electronic control board is high, the area is small and the cost is lower.

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

The utility model discloses a relay which comprises a shell, a movable assembly and a second magnetizer. And a static contact is arranged on the shell. The movable assembly is movably arranged in the shell and comprises a push rod component, a movable contact piece and a first magnetizer, the movable contact piece is arranged on the push rod component and used for making contact with or being separated from the static contact, and the first magnetizer is fixedly connected to the push rod component and located on the side, facing the static contact, of the movable contact piece. The second magnetizer is located in the shell and fixedly arranged relative to the shell, and the second magnetizer is located on the side, opposite to the movable contact piece, of the first magnetizer.

An electric circuit breaker device includes: an igniter provided to a housing; a projectile disposed in an accommodating space formed in the housing, the projectile being configured to be projected along the accommodating space by energy received from the igniter; a conductor piece forming a portion of an electric circuit, and includes a cutoff portion crossing the accommodating space and configured to be cut off by the projectile that moves by the energy received from the igniter; a coolant material disposed in an arc-extinguishing region and positioned within the accommodating space while opposing the projectile prior to actuation of the igniter with the cutoff portion interposed between the arc-extinguishing region and the projectile, and configured to receive the cutoff portion cut off by the projectile; and a resin material disposed in the accommodating space and configured to be modified by heat associated with actuation of the igniter.

The utility model relates to a shell assembly and a relay. The housing assembly comprises: a base; the shell is arranged on the base in a covering manner, and a dispensing groove is formed between the shell and the base; the base is provided with a first partition groove, and the first partition groove is located on the inner side of the dispensing groove. According to the shell assembly, the first partition groove is formed, so that the part, located on the outer side of the first partition groove, of the base can absorb shrinkage pulling force generated by plastic packaging glue through flexible deformation, and the situation that the part, located on the inner side of the first partition groove, of the base is deformed due to the fact that the shrinkage pulling force is conducted to the inner side of the first partition groove is prevented; and the assembly precision of components on the base on the base is influenced.

The utility model relates to a relay. The relay includes: a base; the contact assembly comprises a first movable spring part, a second movable spring part, a first static spring part and a second static spring part which are arranged on the base, the first movable spring part is opposite to the first static spring part, the second movable spring part is opposite to the second static spring part, and at least part of the first static spring part can generate flexible deformation; the electromagnetic system is arranged on the base and used for driving the first movable spring part and the second movable spring part to move in the direction close to or away from the first static spring part and the second static spring part. And the stroke difference that the electromagnetic system drives the first movable spring part and the first static spring part to make contact is smaller than the stroke difference that the electromagnetic system drives the second movable spring part and the second static spring part to make contact. According to the relay, the first static spring part can absorb contact stress through flexible deformation, and the first static spring part and the first movable spring part are prevented from being damaged and deformed due to stress.

The utility model relates to the technical field of battery devices, and provides an electric control device, a battery device and a power utilization device, the electric control device comprises a base assembly, an electric part and a battery management main control board; a mounting groove is formed in the base assembly, the relay is arranged in the mounting groove, and the battery management main control board is arranged on the base assembly; and the electrical part is connected with a low-voltage transmission part arranged on the battery management main control board. According to the electric control device provided by the invention, after the battery management main control board is shelled, the battery management main control board is directly integrated on the base assembly and is directly connected with the relay on the base assembly, namely, the low-voltage terminal is directly connected with the battery management main control board. Therefore, the overall integration of the electric control device is higher, the arrangement of each electric appliance element is more compact, and the occupied space is smaller.

The utility model discloses a contactor static contact, a static contact assembly and a contactor. The contactor static contact comprises a static terminal and a static contact. The static terminal comprises a main body part which is used for being electrically connected to a load circuit so as to bear load current; and the heat dissipation plate is connected with one side of the main body part. And the static contact is arranged on the main body part and is used for electrically contacting with a moving contact of a moving contact of the contactor. The static terminal is an integrated piece, and heat of the static contact of the contactor can be transmitted to the shell of the contactor through the heat dissipation plate and dissipated to the outside through the shell, so that the heat dissipation performance of the contactor can be improved. In addition, the anti-short-circuit current capability of the contactor can be improved. Besides, in some embodiments of the utility model, the top opening of the housing of the contactor is sealed by the sealant poured into the top opening, so that external pollutants can be prevented from entering the housing, and the contact of the contactor is prevented from being polluted by the external pollutants.

The utility model relates to the technical field of relays, and discloses a push rod type relay, which comprises a base, a static reed and a shell, the area between the contact connecting position and the base connecting position of the static reed is provided with a stop structure which is located between the static reed and the shell and restrains the static reed from deforming when the static reed is impacted by external force. Aiming at the particularity of the push rod type relay, the backstop structure which is arranged between the static reed and the shell and restrains the static reed from deforming when the static reed is impacted by external force is arranged in the area between the contact connecting position of the static reed and the base connecting position, so that the static reed is prevented from deforming when the push rod type relay is impacted or falls off. The stop structure between the static reed and the shell can limit the movement range of the static reed, and the impact force on the static reed is transferred to the shell through the stop structure, so that the deformation of the static reed body is reduced, the change of contact parameters is reduced, the reliable contact of the contacts is ensured, and the anti-falling capability is enhanced.

The utility model relates to a relay, in particular to a guide rail type relay, which solves the problem of structural design of the guide rail type relay. Comprising a shell, a coil assembly, a movable contact piece and a static contact piece, a shell seat is embedded in the center of the shell, the coil assembly is fixedly assembled in the shell seat, the coil assembly and the guide rail are linked through magnetic attraction, the guide rail does linear reciprocating motion, and the static contact piece is fixedly assembled in the shell seat. One end of the first electric conduction piece and the movable contact piece are embedded in the shell base, one end of the static contact piece is in contact conduction with the movable contact piece, the guide rail is in abutting linkage with the movable contact piece on a moving path and is separated from the static contact piece, and the two ends of the shell in the length direction are each provided with two jacks. By adopting the assembly mode of local integration and mutual combination, the structure connection tightness is improved, the stability and reliability of electrical connection use are ensured, the design and use requirements are met, the service life of the product is prolonged, and the production efficiency is improved.

The present invention provides a switching device (100) having at least one fixed contact (2) protruding into a switching chamber (11). [Solution] A switching device wherein at least one fixed contact has a fixed portion and a connecting portion, the fixed portion is fixed to a switching chamber, the connecting portion protrudes into a recess of the fixed portion, the connecting portion and the fixed portion are manufactured from the same material, the contact contains copper or a copper alloy, and the fixed portion has lower hardness than the connecting portion.

The utility model relates to a kind of wide voltage AC contactors, the utility model is arranged obliquely in arc extinguishing grid piece in arc extinguishing cover, compared with traditional vertical or horizontal arrangement, it can increase the contact area and contact opportunity of arc and grid piece, shell is provided with opening at the arc extinguishing grid piece corresponding arc extinguishing cover, it is helpful to the rapid heat dissipation of arc, arc can produce a lot of heat in combustion process, opening can make heat faster dissipate to surrounding environment, avoid heat accumulation in arc extinguishing chamber, to reduce the temperature of arc extinguishing chamber, improve arc extinguishing capacity, simultaneously, opening can also promote the circulation of gas in arc extinguishing chamber, accelerate arc extinguishing, wide voltage circuit board can carry out stable processing and conversion to different range of input voltage, ensure that AC contactor can still work normally under the condition of large voltage fluctuation.

An iron core and yoke assembly, an electromagnetic assembly and a relay, the iron core and yoke assembly comprises an iron core and a yoke, the yoke is provided with a through assembly hole, one end, opposite to the yoke, of the iron core in the axial direction is provided with an assembly part, and the radial size of the tail end of the assembly part in the axial direction is set to be smaller than the radial size of the root end of the assembly part in the axial direction. The tail end of the assembling part is inserted into the assembling hole in the axial direction to be riveted with the assembling hole, and the root end of the assembling part is in interference fit with the assembling hole. According to the utility model, the interference fit is adopted to reduce or even eliminate the gap at the matching part of the yoke and the iron core, so that the gap of a magnetic loop is reduced or eliminated, and the magnetic attraction force is further improved.