CN100533633C

CN100533633C - Dual-control energy-saving relay

Info

Publication number: CN100533633C
Application number: CNB2008100111704A
Authority: CN
Inventors: 高淑会
Original assignee: DANDONG XINGGUANG ELECTRICAL APPLIANCE Co Ltd
Current assignee: DANDONG XINGGUANG ELECTRICAL APPLIANCE Co Ltd
Priority date: 2008-04-24
Filing date: 2008-04-24
Publication date: 2009-08-26
Anticipated expiration: 2028-04-24
Also published as: CN101261909A

Abstract

The invention relates to a small-scale mechanical relay with double coils, double contacts, low power consumption and high power, which is mainly used for the fields of power switches or starting of the motor vehicles, etc. The relay is characterized in that: two groups of coils as primary coils and secondary coils are winded on a framework; an iron core is composed of an upper movable core and a lower fixed core; the fixed core is riveted on a magnetic cover, and the movable core is connected with a first push rod; a second push rod and a bridging piece are fixed on the first push rod; the second push rod is arranged in a place opposite to a movable spring; a movable contact is arranged on the movable spring; a fixed contact is arranged on a fixed spring; the movable contact and the fixed contact are oppositely arranged. The small-scale mechanical relay with double coils, double contacts, low power consumption and high power aims at solving the problems that the relays have short service life, are easy to ablate, conglutinate and damage and can not serve several purposes and the small-scale relays fail to drive heavy loads, etc., aspects.

Description

Dual-control energy-saving relay

Technical field:

The present invention relates to a kind of mechanical twin coil, double-contact, low-power consumption, small high-power relay, be mainly used in fields such as the mains switch of motor vehicle or starting.

Background technology:

Mainly there is the problem of following aspect in existing relay:

1, have only single starting or switching function, can not reach the effect of a tractor serves several purposes.

2, relay causes the disastrous effect of contact ablation, adhesion in the course of the work because of load is excessive, and relay was lost efficacy, and produces and burns the car phenomenon, and this will bring very big economic loss to the user, also damage to the user easily.

3, existing relay drive load is big, and volume is just corresponding to be increased, and small-sized relay does not reach the function that drives heavy load.

Summary of the invention:

Goal of the invention: the invention provides a kind of dual-control energy-saving relay, its purpose is to solve that relay contact is ablated easily, adhesion, and the life-span is short, fragile, can not a tractor serves several purposes, and miniature relay does not reach the problem that aspects such as driving heavy load exists.

Technical scheme: the present invention is achieved by the following technical solutions:

A kind of dual-control energy-saving relay, mainly comprise outer cover combination, binding post, static terminal, in the outer cover combination, also be provided with bridging piece, moving contact, fixed contact, iron core, skeleton and be wrapped in coil on the skeleton, it is characterized in that: on skeleton, twine two groups of coils, be primary coil and secondary coil; Iron core is the moving iron core and the fixed core of upper and lower settings; The fixed core riveting is contained on the magnetism-guiding hood, and moving iron core connects first push rod, is fixed with second push rod, bridging piece on first push rod; Second push rod is arranged on the relative position of movable contact spring, and movable contact spring is provided with moving contact, and static contact spring piece is provided with fixed contact, and moving contact and fixed contact are oppositely arranged; When bridging piece rigidly connects when touching static terminal, also have LAP in the upper end of first push rod, the trip is 0.5～2mm.

The magnetism-guiding hood upper end is fixed with location-plate and movable contact spring by tubular rivet.

Bottom at magnetism-guiding hood is provided with magnetic conduction sheet, and first spring, one end contacts with magnetic conduction sheet, and the other end fixes on the inwall of outer cover combination; Second spring is arranged on the middle part of first push rod, and the top contacts with positioning sleeve, and the below contacts with latch bracket; The 3rd spring is arranged on the top of outer cover combination, contacts with first push rod.

The bottom of outer cover combination is provided with gland, is provided with rubber blanket between gland and the outer cover combination.

Advantage and effect: by the enforcement of this products scheme, it is overweight to solve existing relay contact ablation degree well, cause contact to burn the candle adhesion because of load is excessive, solved the problem that single function of existing relay and load ambassador relay external form increase aspect exist.

Advantage of this product and good effect are: it had both reached every function of JK type relay and starter relay fully, energy-conservation, fast adhesive, strong disjunction, noiselessness, low temperature rise, adhesion, the characteristics in prolongation contact life-span have been realized again, be applied to manufacturing enterprise, can bring very surprising economic benefit.

Description of drawings:

Fig. 1 is a dual-control energy-saving relay primary structure schematic diagram of the present invention;

Fig. 2 is the top structure schematic diagram of Fig. 1;

Fig. 3 is the schematic diagram of moving contact of the present invention, fixed contact structural relation;

Fig. 4 is the structural relation schematic diagram of magnetism-guiding hood part of the present invention;

Fig. 5 follows the tracks of schematic diagram for contact of the present invention;

Fig. 6 is the structural representation of spring support section of the present invention;

Fig. 7 is the structural representation of double-iron core part of the present invention;

Fig. 8 is the structural representation of twin coil control section of the present invention.

Embodiment:

The main feature of dual-control energy-saving relay of the present invention is that this relay is the twin coil control system; other parts of double-contact control system and relay constitute; it has the special efficacy of big electric current adhesive, little current protection, is that relay reaches fast disjunction, strong adhesive, strong disjunction, noiselessness, low temperature rise, feature of long life.

The invention will be further described below in conjunction with accompanying drawing.

As shown in the figure, the present invention is mainly by static terminal 1, bridging piece 2, moving contact 3, fixed contact 4, static contact spring piece 5, location-plate 6, magnetism-guiding hood 7, skeleton 8, fixed core 9, first push rod 10, primary coil 11, secondary coil 12, moving iron core 13, sealing gasket 14, first spring 15, rubber blanket 16, magnetic conduction sheet 17, gland 18, outer cover combination 19, support 20, movable contact spring 21, jump ring 22, second push rod 23, latch bracket 24, second spring 25, positioning sleeve 26, pad 27, the 3rd spring 28, binding post 29, another binding post 30, trip bolt 31, fastening bolt 32, constitute Deng more than 30 parts.

On skeleton 8, twine two groups of coils, be primary coil 11 and secondary coil 12; Primary coil 11 work are to be big electric current (starting current) work, and secondary coil 12 work are to be little electric current (load current) work.Iron core is the moving iron core 13 and the fixed core 9 of upper and lower settings; Fixed core 13 rivetings are contained on the magnetism-guiding hood 7, and moving iron core 13 connects first push rod 10, is fixed with bridging piece 2 on first push rod 10; First push rod 10 connects second push rod, 23, the second push rods 23 by jump ring 22 and is arranged on the relative position of movable contact spring 21, can drive movable contact spring 21.Movable contact spring 21 is provided with moving contact 3, and static contact spring piece 5 is provided with fixed contact 4, and moving contact 3 is oppositely arranged with fixed contact 4.

The concrete work of this product is as follows: after binding post 29 and another binding post 30 energized, initial coil 11 (big electric current) is started working, under the effect of coil current, the primary coil 11 inner magnetic fields that produce, moving iron core 13 is motion upward under the effect in magnetic field, first push rod 10 drives bridging piece 2 and second push rod 23 moves upward, when bridging piece 2 is connected with static terminal 1, first push rod 10 and second push rod 23 continue the LAP that moves up, this stroke is exactly an intersegmental crack 35 of push rod 10 upper ends, the stroke in gap 35 is 0.5～2mm, generally gets 1mm, and at this moment second push rod 23 promotes movable contact spring 21, normally-closed contact is disconnected rapidly, cut off big electric current, secondary coil is started working simultaneously, and little electric current keeps, at this moment first push rod 10 and second push rod 23 continue the LAP that moves up, this stroke is exactly that follow the tracks of the contact, and rule of thumb value is got 1mm, and relay begins to drive loaded work piece simultaneously.

In order to reach the quick pick-up and the quick characteristic of disjunction, the present invention has designed big electric current adhesive, little current protection system.Big electric current attracting electric relay can produce powerful the suction-combining force, and then makes the quick disjunction in contact.Little current protection makes relay can not produce too high temperature rise in long-term work, can not cause relay working of plastics gross distortion, and the parts displacement causes phenomenons such as locomotive scaling loss.It is overweight that the realization of this characteristic has solved relay contact ablation degree, prolongs the useful life of contact; Solved the disastrous effect that causes contact ablation adhesion because of load is excessive, the phenomenon that has reached relay contact and do not have forever adhesion takes place.This project product utilization bistable magnetic keeps principle, and under the situation of big electric current adhesive, little current protection, low power operation is realized energy-saving effect.Product realizes that magnetic keeps in running, low-power consumption, and it is low etc. not produce noise, temperature rise in the process that the long-term production operation keeps, and realizes the environmental protection result.

Reliable for the relay working stability, the present invention has designed a whole set of installing and locating system, and contact system (seeing Fig. 3,4) is fixedly mounted on the magnetism-guiding hood 7 with tubular rivet, makes relay reliable and stable at work like this.

In order to guarantee that locomotive is in operation, relay produces contact contact instability because of shake, the present invention has designed when bridging piece 2 contacts with static terminal 1, the 1mm (see figure 5) is continued to follow the tracks of in the contact, it is exactly said stroke gap, front 35, guarantee that like this there is enough pressure the contact, make relay more stable more reliable.

We consider the effect of stability and the suction and the counter-force of combination between the part in the relay construction design, we have adopted the structure (seeing accompanying drawing 6) of three springs, can make relay construction rigorous like this, can not produce loosening and offset phenomena, and bridging piece 2 is steadily contacted with static terminal 1, reach the good effect of contact conducting.The support of three springs can make the suction of relay and counter-force reach poised state.

We utilize electromagnetic principle, and in magnetic Circuit Design, rational and effective has designed the double-iron core structure, and the fixed core riveting is contained on the magnetism-guiding hood on the (see figure 7).During motion, moving iron core and fixed core attract each other, and do the adhesive released movement.This structure can not make relay produce the leakage field phenomenon, makes the smooth working of relay energy yet.

In order to reduce the volume structure of relay, we are wrapped in the initial coil of relay and secondary coil on the same skeleton 8 and (see accompanying drawing 7), have so both made the relay overall volume that also reduced easy to assembly.

In order to make relay reach the high strength sealing effectiveness, we are injection-moulded in the outer cover combination with relay terminal and go up (seeing accompanying drawing 8), and have increased sealing gasket and lock with holding screw at last.Solved the problem of relay high temperature immersion like this.Make this relay have reliability, stability, durability, high temperature resistant, moisture-proof, and water-resistant performance.

Claims

1, a kind of dual-control energy-saving relay, mainly comprise outer cover combination (19), binding post, static terminal (1), be arranged on bridging piece (2), moving contact (3), fixed contact (4), iron core, the skeleton (8) in the outer cover combination (19) and be wrapped in coil on the skeleton (8), it is characterized in that: go up at skeleton (8) and twine two groups of coils, be primary coil (11) and secondary coil (12); Iron core is the moving iron core (13) and the fixed core (9) of upper and lower settings; Fixed core (13) riveting is contained on the magnetism-guiding hood (7), and moving iron core (13) connects first push rod (10), is fixed with second push rod (23), bridging piece (2) on first push rod (10); Second push rod (23) is arranged on the relative position of movable contact spring (21), can drive movable contact spring (21); Movable contact spring (21) is provided with moving contact (3), and static contact spring piece (5) is provided with fixed contact (4), and moving contact (3) is oppositely arranged with fixed contact (4); When bridging piece (2) rigidly connects when touching static terminal (1), also have LAP in the upper end of first push rod (10), the trip is 0.5～2mm.

2, dual-control energy-saving relay according to claim 1 is characterized in that: the upper end of magnetism-guiding hood (7) is fixed with location-plate (6) and movable contact spring (21) by tubular rivet (32).

3, dual-control energy-saving relay according to claim 1 is characterized in that: be provided with magnetic conduction sheet (17) in the bottom of magnetism-guiding hood (7), first spring (15) one ends contact with magnetic conduction sheet (17), and the other end fixes on the inwall of outer cover combination (19); Second spring (25) is arranged on the middle part of first push rod (10), and the top contacts with positioning sleeve (26), and the below contacts with latch bracket (24); The 3rd spring (28) is arranged on the top of outer cover combination (19), contacts with first push rod (10).

4, dual-control energy-saving relay according to claim 1 is characterized in that: the bottom of outer cover combination (19) is provided with gland (18), is provided with rubber blanket (16) between gland (18) and the outer cover combination (19).