Abrégé

An electromagnetic relay includes a base, a casing, a coil, a movable contact piece and two fixed contact pieces. Each of the fixed contact pieces includes a plate-shaped base. A portion of one side of the plate-shaped base extends outward and is bent to form a fixed contact fixing part. The fixed contacts are arranged on the fixed contact fixing part, and an abdicating through hole is defined in the base. The plate-shaped bases of the fixed contact pieces are respectively connected to an outer side surface of the base and spaced from each other. Each of the fixed contact fixing parts protrudes through the abdicating through hole and located between the base and the casing. Each of the fixed contacts faces to the movable contact on the movable contact piece, and a portion of the plate-shaped base on the fixed contact piece protrudes out of the casing to form a connecting part.

Classes IPC  ?

• H01H 50/54 - Dispositions de contact
• H01H 50/02 - SupportsEnveloppesCapots
• H01H 50/04 - Montage complet de relais ou d'éléments de relais sur un support ou à l'intérieur d'une enveloppe
• H01H 50/12 - VentilationRéfrigérationChauffage
• H01H 50/14 - Dispositions des bornes
• H01H 50/44 - Bobines ou enroulements d'excitation

Abrégé

A clapper-type electromagnetic relay, comprising a magnetic circuit part, a moving reed part, a static reed part, a first load lead-out end (4), and a second load lead-out end (5) electrically connected to the static reed part. The magnetic circuit part comprises a coil former (11). A static contact (32) of the static reed part and a moving contact (22) of the moving reed part form a contact set. The first load lead-out end (4), the second load lead-out end (5), and the contact set are located on the same side of the coil former (11), and current carrying paths flowing through the first load lead-out end (4) and the second load lead-out end (5) are located on the same side of the coil former (11).

Classes IPC  ?

• H01H 50/54 - Dispositions de contact
• H01H 50/14 - Dispositions des bornes
• H01H 50/02 - SupportsEnveloppesCapots
• H01H 50/44 - Bobines ou enroulements d'excitation

Abrégé

A relay module and a relay control system. The relay module comprises a casing (1), two relay cores (2), a current transformer (3), two power supply wiring terminals (5) and two load wiring terminals (6). The two relay cores (2) are arranged inside the casing (1); the two power supply wiring terminals (5) and the two load wiring terminals (6) are fixedly arranged on the casing (1); each relay core (2) comprises a magnetic circuit part (21) and a contact assembly (22); the two power supply wiring terminals (5) are respectively connected to the two load wiring terminals (6) by means of the contact assemblies (22) of the two relay cores (2), so as to form two on-off control passages, the two on-off control passages being used for forming a loop with a load connected to the two load wiring terminals (6); the current transformer (3) is mounted in one of the on-off control passages.

Classes IPC  ?

• H01H 50/04 - Montage complet de relais ou d'éléments de relais sur un support ou à l'intérieur d'une enveloppe

Abrégé

A tripping mechanism of a circuit breaker, and a circuit breaker. The tripping mechanism comprises a jump pin (17), a re-buckle (18) and a lock latch (20), which are rotatably arranged, wherein the re-buckle (18) is of a labor-saving lever structure and comprises a first lever arm (181) and a second lever arm (182); a first lap joint portion (1703) is arranged on the jump pin (17), a first press-fitting portion (1801) is correspondingly provided on the first lever arm (181); and a second lap joint portion (1803) is provided on the second lever arm (182), and a second press-fitting portion (2001) is correspondingly provided on the lock latch (20). The relative positions of the jump pin (17), the re-buckle (18) and the lock latch (20) are configured in such a way that, by means of relative rotation between each other, the first press-fitting portion (1801) is press-fitted to the first lap joint portion (1703) while the second press-fitting portion (2001) is press-fitted to the second lap joint portion (1803), thus the rotation of the jump pin (17) is limited, a first rotating force arm (L1) of the first press-fitting portion (1801) being smaller than a second rotating force arm (L2) of the second lap joint portion (1803).

Classes IPC  ?

• H01H 71/12 - Mécanismes de déclenchement automatique avec ou sans déclenchement manuel
• H01H 71/24 - Mécanismes électromagnétiques

Abrégé

An ultra-miniature hinge type relay having high dielectric strength between contacts and long service life, including a bobbin, a movable spring armature component, a normally open stationary spring and a normally closed stationary spring; the bobbin including an upper flange, a lower flange and a winding window wound with enameled wires and connected between the upper and lower flange; the upper flange is provided with a normally open stationary spring insertion portion which having a first slot, and a normally closed stationary spring insertion portion having a second slot; the normally open stationary spring is inserted in the first slot and the normally closed stationary spring is inserted in the second slot, at least one ventilation slot is provided on the bobbin corresponding to a direction of movement of the arc generated when contacts are opened, and the ventilation slot is connected between the first and second space.

Classes IPC  ?

• H01H 50/12 - VentilationRéfrigérationChauffage
• H01H 50/44 - Bobines ou enroulements d'excitation

Abrégé

An electromagnetic relay includes a base, a casing, a coil, a movable contact piece and two fixed contact pieces. Each of the fixed contact pieces includes a plate-shaped base. A portion of one side of the plate-shaped base extends outward and is bent to form a fixed contact fixing part. The fixed contacts are arranged on the fixed contact fixing part, and an abdicating through hole is defined in the base. The plate-shaped bases of the fixed contact pieces are respectively connected to an outer side surface of the base and spaced from each other. Each of the fixed contact fixing parts protrudes through the abdicating through hole and located between the base and the casing. Each of the fixed contacts faces to the movable contact on the movable contact piece, and a portion of the plate-shaped base on the fixed contact piece protrudes out of the casing to form a connecting part.

Classes IPC  ?

• H01H 50/54 - Dispositions de contact
• H01H 50/02 - SupportsEnveloppesCapots
• H01H 50/04 - Montage complet de relais ou d'éléments de relais sur un support ou à l'intérieur d'une enveloppe
• H01H 50/12 - VentilationRéfrigérationChauffage
• H01H 50/14 - Dispositions des bornes
• H01H 50/44 - Bobines ou enroulements d'excitation

Abrégé

A coil rack structure, comprising a coil rack and enameled wires, wherein the coil rack comprises a winding shaft and flanges at two ends, and the enameled wires are wound around the coil rack and are located in a winding space. In winding areas in the coil rack that correspond to the enameled wires, at least one bevel-shaped structure formed on a preset carrier is further provided, and then an included angle between the bevel-shaped structure and the axis of the winding shaft is made an acute angle. The size of the bevel-shaped structure in the radial direction of the winding shaft is not less than the size of the wire diameter of one enameled wire. In the present disclosure, the bevel-shaped structure can be used to limit the enameled wires, and in the winding areas of the enameled wires, at least one enameled wire is limited in the axial direction and radial direction of the coil rack, so as to prevent the enameled wire from loosening in the axial direction and the radial direction of the coil rack.

Classes IPC  ?

• H01F 5/02 - Bobines d'induction enroulées sur des supports non magnétiques, p. ex. mandrins
• H01F 27/30 - Fixation ou serrage de bobines, d'enroulements ou de parties de ceux-ci entre euxFixation ou montage des bobines ou enroulements sur le noyau, dans l'enveloppe ou sur un autre support

Abrégé

A relay coil assembly includes a bobbin having flanges on two ends, an enameled wire wound around bobbin, a coil pin mounted to the flange and having an insertion portion, an enameled wire fixing portion and a signal wire fixing portion, and a signal wire. The signal wire fixing portion is provided with a first engagement recess with an opening facing downward, in which the signal wire is engaged. An inverted hook is provided at one of two recess sidewalls of the first engagement recess, and a slope section is provided at one of the two recess sidewalls of the first engagement recess. The opening gradually enlarges from inside to outside along the slope section, which is capable of squeezing the signal wire into the first engagement recess and the inverted hook is capable of preventing the signal wire from coming out.

Classes IPC  ?

• H01H 50/14 - Dispositions des bornes
• H01F 5/04 - Dispositions des connexions électriques aux bobines, p. ex. fils de connexion
• H01H 50/44 - Bobines ou enroulements d'excitation

Abrégé

An ultra-miniature clapper-type relay having high contact-to-contact withstand voltage and a long service life, comprising a coil frame, a moving spring armature component, a normally open static spring and a normally closed static spring. The coil frame comprises an upper flange, a lower flange and a winding window wound with enameled wires between the upper flange and the lower flange. The upper flange is provided with a normally open static spring insertion part and a normally closed static spring insertion part. The normally open static spring and the normally closed static spring are inserted into slots of the normally open static spring insertion part and the normally closed static spring insertion part, respectively. At least one ventilation slot is provided on the coil frame corresponding to the moving direction of an electric arc when the contacts are disconnected, and the ventilation slot is connected between the space around the contacts and the space on the winding side of the coil frame.

Classes IPC  ?

• H01H 50/44 - Bobines ou enroulements d'excitation
• H01H 50/12 - VentilationRéfrigérationChauffage

Abrégé

Disclosed in the present invention is an electromagnetic relay, comprising a base, a cover, a coil, a movable spring, and two static springs. The cover is fixedly connected to the base, and the coil is arranged between the base and the cover. A plurality of movable contact points are provided on the movable spring, and each static spring comprises a plate-shaped base part, a portion on one side of the plate-shaped base part extending outward and curving to form a static contact point fixing part, and a static contact point being fixed on the static contact point fixing part. Yielding through holes are provided on the base. The two static springs are separately fixedly connected at an interval on the outer side of the base by means of the plate-shaped base parts. Each static contact point fixing part extends into the space between the base and the cover by means of the yielding through holes, and each static contact point corresponds to a movable contact point on the movable spring. The plate-shaped base part of each static spring partially extends out of the cover, forming a connection part. The present invention improves a heat dissipation effect of static springs relatively well and improves relay performance, and simplifies preparation processing, reduces preparation costs, and extends the service life of a relay.

Classes IPC  ?

• H01H 50/54 - Dispositions de contact
• H01H 50/02 - SupportsEnveloppesCapots

Abrégé

Disclosed is a relay coil assembly, comprising a coil frame, an enameled wire, a coil pin, and a signal wire. The coil pin comprises an insertion portion, an enameled wire fixing portion, and a signal wire fixing portion. The signal wire fixing portion is provided with a first engagement recess having an opening facing downward, and the signal wire is engaged in the first engagement recess. A hook element is provided near the edge of the opening and at one of two recess sidewalls of the first engagement recess. A slope section along which the opening gradually enlarges from inside to outside is provided at a location corresponding to the signal wire at one of the two recess sidewalls of the first engagement recess. The invention avoids deficiencies of the prior art when fixing a signal wire to a coil pin of a relay coil assembly by means of welding, and enables a secure and reliable connection between the signal wire and the coil pin in the relay coil assembly.

Classes IPC  ?

• H01H 50/44 - Bobines ou enroulements d'excitation

Abrégé

The disclosure provides fixing structure between a metal part and a plastic part of a relay/circuit breaker, comprising a metal part, a first plastic part and a second plastic part. A positioning groove is disposed on the first plastic part, one portion of the metal part is inserted and positioned in the positioning groove, and the other portion of the metal part is positioned between the first plastic part, and the second plastic part; a through hole is disposed at the second plastic part near to the positioning groove, glue is dispensed into the positioning groove though the through hole. A first glue blocking rib suitably fitting with a corresponding side of the other portion is respectively disposed at a position of the first plastic part corresponding to both sides of the positioning groove to prevent the glue from following to an inside of the relay/circuit breaker.

Classes IPC  ?

• H01H 50/04 - Montage complet de relais ou d'éléments de relais sur un support ou à l'intérieur d'une enveloppe
• H01H 71/02 - BoîtiersEnveloppesSoclesGarnitures

Abrégé

The present disclosure relates to an insertion structure between a stationary spring and a bobbin, comprising: a stationary spring and a bobbin; wherein the stationary spring is inserted into the bobbin by a flip-chip method, and the bobbin is provided with slots, each having a groove shape with a laterally open in formed by an L-shaped side wall connecting with a convex wall, and each of two sides of the stationary spring is provided with a convex part, and two convex parts of the stationary spring are respectively fitted into the two opposite slots; a first blocking wall is provided along a horizontally extending direction of protruding of the convex wall, and a second blocking wall is further provided between the first blocking wall and the L-shaped side wall to connect them, and the convex parts of the stationary spring are mounted.

Classes IPC  ?

• H01H 50/44 - Bobines ou enroulements d'excitation
• H01H 50/26 - Éléments mobiles autour d'une arête en lame de couteau
• H01H 50/36 - Éléments immobiles de circuit magnétique, p. ex. culasse

Abrégé

The present disclosure relates to an insertion structure between a static spring and a bobbin, comprising a static spring and a bobbin, wherein the static spring is inserted into the bobbin by using an inverted manner; the bobbin is provided with a slot, which an L-shaped sidewall and a convex wall enclose to form, while the static spring is provided with a convex portion, the convex portion of the static spring fitting into the slot; a first blocking wall is further provided in a protruding direction of a convex wall which extends horizontally, a second blocking wall is further connected between the first blocking wall and the L-shaped sidewall, and the convex portion of the static spring is mounted on the second blocking wall such that tiny fragments, which are formed when the convex portion of the static spring is mounted into the slot, fall into a cavity which the first blocking wall, the second blocking wall, the L-shaped sidewall, and the convex wall enclose to form. The structure of the embodiments of the present invention allows produced tiny fragments to be enclosed in a particular space instead of entering an inner portion of a relay/circuit breaker, thereby ensuring the normal use of the relay/circuit breaker.

Classes IPC  ?

• H01H 50/44 - Bobines ou enroulements d'excitation

Abrégé

A fixing structure between a metal part (3) and plastic parts (1) and (2) of a relay/circuit breaker, comprising: a metal part (3), a first plastic part (1) and a second plastic part (2), the first plastic part (1) being provided with a positioning groove (11); a side (31) of the metal part (3) is inserted and positioned in the positioning groove (11), while another side (32) of the metal part (3) is positioned between the first plastic part (1) and the second plastic part (2); the second plastic part (2) is provided with a through hole (21) so as to dispense glue to the positioning groove (11) by means of the through hole (21) so as to package the first plastic part (1), the metal part (3) and the second plastic part (2) together. The fixing structure may be easily arranged and stably fixed without the manufacturing difficulty of parts being increased, while debris which pollutes the internal environment of a product is not be easily generated.

Classes IPC  ?

• H01H 50/04 - Montage complet de relais ou d'éléments de relais sur un support ou à l'intérieur d'une enveloppe