CN105895454A

CN105895454A - Relay

Info

Publication number: CN105895454A
Application number: CN201410521182.7A
Authority: CN
Inventors: 舒小强; 陈宜才
Original assignee: NINGBO CITY YINZHOU MICROHORSE ELECTRONICS Co Ltd
Current assignee: NINGBO CITY YINZHOU MICROHORSE ELECTRONICS Co Ltd
Priority date: 2014-10-08
Filing date: 2014-10-08
Publication date: 2016-08-24

Abstract

The invention relates to a relay comprising a bottom plate, an iron core, a coil rack sleeved by a coil, a yoke, an armature, a dynamic lead-out pin, a static lead-out pin, a first soft braided belt and a second soft braided belt. The bottom plate is integrated with the dynamic lead-out pin and the static lead-out pin in an injection molding manner. The iron core can be connected with the bottom plate in a riveted manner after sequentially passing through the coil rack and the yoke. The yoke and the armature are connected together by a spring, and the armature is provided with a dynamic contact spring. One end of the dynamic contact spring is connected with the armature in a riveted manner, and the other end is connected with a convergence sheet and a dynamic contact. The static lead-out pin is connected with the static contact. One end of the first soft braided belt is connected with the dynamic lead-out pin in a welded manner, and the other end is connected with the dynamic contact spring in a welded manner. One end of the second soft braided belt is connected with the dynamic lead-out pin in a welded manner, and the other end is connected with the convergence sheet in a welded manner. The relay is advantageous in that the structure is compact, and the bottom plate can be integrated with the dynamic lead-out pin and the static lead-out pin in the injection molding manner; the relative displacement of the static lead-out pin and the dynamic contact can be prevented during the heavy current conveyance, and therefore the reliability can be improved, and the stability is high.

Description

A kind of relay

Technical field

The present invention relates to electronic control device, particularly relate to a kind of relay.

Background technology

Relay is a kind of electronic control device, is commonly used in automatic control circuit, at electricity Road plays be automatically adjusted, safeguard protection, the effect such as change-over circuit, relay generally comprises dynamic The parts such as static contact spring piece, pedestal, yoke, coil, armature, shell fragment, similar at relay In product, stationary contact is mainly quiet leading foot employing band with the connected mode of quiet leading foot, Band upper punch one hole, then contact rivets with this hole, and product is quickly to connect mostly with external connection Connecing mode, it is unreliable that relay is connected with load；It addition, the relay load electricity of like product Flow smaller, mainly play main powering-on function by dynamic contact spring, to increase load electricity Stream, the sectional area moving contact spring the most accordingly will do greatly, and this can cause adhesive not got off, And area is too small, then energising has some setbacks, and causes reed overheated minimizing elasticity, makes product failure；One As load foot sheet and the base plate of relay be all sole body, reassemble integral, this is at big electric current In relay, stability is bad with fastness.

Summary of the invention

For the present situation of above-mentioned prior art, the technical problem to be solved is to provide A kind of compact conformation, connects reliable, and steadiness is good, and load current is big, good the continuing of energising ability Electrical equipment.

The present invention solves the technical scheme that above-mentioned technical problem used: a kind of relay, bag Include base plate, iron core, be cased with the bobbin of coil, yoke, armature, dynamic leading foot, quiet extraction Foot, the first soft braid over braid and the second soft braid over braid, described base plate and dynamic leading foot, quiet leading foot Integrated injection molding, described iron core sequentially passes through bobbin, yoke rivets mutually with base plate, described yoke Being connected by spring with armature, described armature is provided with front contact spring sheet, one end of this front contact spring sheet With armature riveted, other end riveted has conflux sheet and movable contact, described quiet leading foot is connected with quiet Contact, one end of described first soft braid over braid welds with dynamic leading foot, the other end and front contact spring sheet Welding, one end of described second soft braid over braid is welded with dynamic leading foot, the other end and sheet weldering of confluxing Connect.

Further, described iron core is provided with pad at the riveting of base plate, is filled with at this riveting Glue, had both added fastness, is possible to prevent again unshakable in one's determination exposed and gets rusty.

Further, described glue is epoxy resin glue.

Further, the two ends of described first soft braid over braid and the second soft braid over braid are equipped with red copper Sheet, facilitates transfer current, prevents front contact spring sheet from crossing heat affecting elastic.

Further, described quiet leading foot and stationary contact interference fit, add energising ability, And be connected firmly, it is possible to achieve load leading foot is threadeded with external loading.

Further, the lower end of described quiet leading foot and dynamic leading foot is equipped with cylindrical thread, should It is screwed with nut on cylindrical thread, energising ability can be strengthened, improve contact reliability.

Further, it is provided with coil leading foot below described base plate.

Compared with prior art, it is an advantage of the current invention that: present configuration is compact, base plate with Dynamic leading foot, quiet leading foot integrated injection molding, during logical big electric current, can avoid quiet leading foot with dynamic There is relative displacement in contact, improves reliability, and steadiness is good, it addition, iron core sequentially passes through line Coil, yoke rivet mutually with base plate so that iron core, yoke, front contact spring sheet, movable contact are with quiet Relative position between contact will not change because of external force, the extraneous factor such as cold and hot, and raising connects The reliability touched, during logical big electric current, uses two soft braid over braid conductions, and wherein one directly exists Draw on movable contact limit so that the actual turn on angle of front contact spring sheet reduces with energising distance, and will Big electric current is transferred on soft braid over braid, it is to avoid it is elastic that front contact spring sheet crosses heat affecting, increases product and leads to Power, the present invention is reasonable in design, accords with the demands of the market, and is suitable for large-scale promotion.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention；

Fig. 2 is the sectional view of the present invention；

Fig. 3 is the axonometric chart of the present invention；

Fig. 4 is the upward view of the present invention.

Detailed description of the invention

Below by embodiment, the present invention is described in further detail, and following example are right The explanation of the present invention and the invention is not limited in following example.

As Figure 1-4, a kind of relay, including base plate 1, iron core 2, it is cased with coil Bobbin 3, yoke 4, armature 5, dynamic leading foot 6, quiet leading foot the 7, first soft braid over braid 8 and the second soft braid over braid 9, described base plate 1 and dynamic leading foot 6, quiet leading foot 7 one note Moulding, described unshakable in one's determination 2 sequentially pass through bobbin 3, yoke 4 and the riveting of base plate 1 phase, described yoke Ferrum 4 is connected by spring 14 with armature 5, and described armature 5 is provided with front contact spring sheet 13, should One end of front contact spring sheet 13 and armature 5 riveted, other end riveted has conflux sheet 12 and movable contact 11, described quiet leading foot 7 is connected with stationary contact 10, one end of described first soft braid over braid 8 Welding with dynamic leading foot 6, the other end welds with front contact spring sheet 13, described second soft braid over braid One end of 9 is welded with dynamic leading foot 6, and the other end welds with the sheet 12 that confluxes, described base plate 1 Lower section is provided with coil leading foot 16, and owing to coil electricity electric current is little, coil current will not surpass Cross 0.5A, so coil leading foot 16 uses quick connected mode, both save link cost, Improving again assembling speed, described unshakable in one's determination 2 are provided with pad 17 at the riveting of base plate 1, this riveting The place of connecing is filled with epoxy resin glue, has both added fastness, is possible to prevent again iron core 2 exposed And get rusty, the two ends of described first soft braid over braid 8 and the second soft braid over braid 9 are equipped with copper sheet 15, facilitate transfer current, prevent front contact spring sheet 13 from crossing heat affecting elasticity, described quiet leading foot 7 with stationary contact 10 interference fit, add energising ability, and be connected firmly, Ke Yishi Now load leading foot is threadeded with external loading, described quiet leading foot 7 and dynamic leading foot 6 Lower end is equipped with cylindrical thread, and this cylindrical thread is screwed with nut, can strengthen energising ability, Improve contact reliability, outside described relay, be cased with housing.

The electric current that present invention achieves the big electric current of Small current control converts control process, with less Relay coil electric current (＜ 0.5A) controls bigger load current (100A-200A), carries The high safety of operator, the operation principle of the present invention is: first, controls relay coil Pumping signal make relay coil be energized, then, due to relay coil be energized after, coil Create magnetic field, form magnetic circuit system, at whole magnetic by iron core 2, yoke 4, armature 5 In the system of road, owing to armature 5 is movable body, under the influence of a magnetic field, armature 5 and unshakable in one's determination 2 Contact forms closed magnetic circuit, in the course of action of armature 5, and front contact spring sheet 13 and armature 5 Being riveted together, movable contact 11 is riveted together with front contact spring sheet 13, front contact spring sheet 13, Armature 5, movable contact 11 form one, and the action of armature 5 has driven movable contact 11 action, Movable contact 11 produces Guan Bi with stationary contact 10, forms Guan Bi load circuit, so that loading Electricity work；After removing the pumping signal of coil, coil magnetic field disappears, armature 5 and unshakable in one's determination 2 Losing magneticaction, armature 4 is retracted home position by spring 15, and movable contact 11 also returns to former Beginning position, load circuit forms open circuit, loads dead electricity and quits work, therefore, staff Only just need to can realize the control to whole load circuit by controlling the coil current of relay.

Last it is noted that above example is only in order to illustrate technical scheme, and Non-to its restriction；Although the present invention being described in detail with reference to previous embodiment, ability Territory it will be appreciated by the skilled person that it still can be to the technical side described in foregoing embodiments Case is modified, or replaces wherein portion of techniques feature on an equal basis；And these amendment or Person replaces, and does not make the essence of appropriate technical solution depart from various embodiments of the present invention technical scheme Spirit and scope.

Claims

1. a relay, including base plate (1), unshakable in one's determination (2), be cased with coil bobbin (3), Yoke (4), armature (5), dynamic leading foot (6), quiet leading foot (7), the first soft braid over braid (8) and the second soft braid over braid (9), it is characterised in that described base plate (1) and dynamic leading foot (6), quiet leading foot (7) integrated injection molding, described iron core (2) sequentially pass through bobbin (3), Yoke (4) rivets mutually with base plate (1), and described yoke (4) and armature (5) pass through spring (14) connecting, described armature (5) is provided with front contact spring sheet (13), this front contact spring sheet (13) One end and armature (5) riveted, other end riveted has the sheet that confluxes (12) and movable contact (11), Stationary contact (10) it is connected with on described quiet leading foot (7), described first soft braid over braid (8) One end is welded with dynamic leading foot (6), and the other end welds with front contact spring sheet (13), and described One end of two soft braid over braids (9) is welded with dynamic leading foot (6), the other end and the sheet that confluxes (12) Welding.

A kind of relay the most according to claim 1, it is characterised in that described iron core (2) It is provided with pad (17) at riveting with base plate (1), at this riveting, is filled with glue.

A kind of relay the most according to claim 2, it is characterised in that described glue is Epoxy resin glue.

A kind of relay the most according to claim 1, it is characterised in that described first soft The two ends of braid over braid (8) and the second soft braid over braid (9) are equipped with copper sheet (15).

A kind of relay the most according to claim 1, it is characterised in that described quiet extraction Foot (7) and stationary contact (10) interference fit.

A kind of relay the most according to claim 1, it is characterised in that described quiet extraction The lower end of foot (7) and dynamic leading foot (6) is equipped with cylindrical thread, and this cylindrical thread is screwed with Nut.

A kind of relay the most according to claim 1, it is characterised in that described base plate (1) Lower section is provided with coil leading foot (16).