CN201112291Y

CN201112291Y - Magnetic retaining relay

Info

Publication number: CN201112291Y
Application number: CNU2007201273514U
Authority: CN
Inventors: 南学林
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-13
Filing date: 2007-08-13
Publication date: 2008-09-10
Anticipated expiration: 2017-08-13

Abstract

The utility model relates to a magnetic latching relay. The magnetic latching relay comprises a base, a magnetic path part, a dynamic sheet combination and a static sheet combination, wherein, the magnetic path part is connected with the base through a drive sheet and consists of a coil frame, an armature iron component, a yoke iron, an iron core, a clamping plastic plate and an excitation coil; the armature iron component consists of a magnetic steel, a magnetic pole sheet and a magnetic coated insulator and the magnetic pole sheet of the armature iron component, the yoke iron and the iron core are contacted crossly to form a closed magnetic path; the dynamic sheet combination comprises a connection sheet, a dynamic spring sheet, a large diffluence sheet, a small diffluence sheet and a moving contact; the static sheet combination is composed of a static sheet and a fixed contact; the clamping plastic plate is provided with holes; the coil frame is provided with two terminal pins and outgoing wires both inside and outside the excitation coil are respectively welded on the terminal pins; the dynamic spring sheet of the dynamic sheet combination runs through a hole at the front end of the drive sheet and an extension part of the armature iron component runs through a hole at the back end of the drive sheet; and wiring pins of the magnetic path part are respectively connected with the anode and the cathode of a DC power. The magnetic latching relay has the advantages of simple structure, stable part size and simple assembly.

Description

A kind of magnetic latching relay

Technical field

The utility model relates to a kind of relay, especially relates to a kind of magnetic latching relay that uses in power engineering and on the card table.

Background technology

The basic part of existing magnetic latching relay generally has: coil, iron core, yoke, armature part, axle, contact, reed, splitter, brace, pedestal, shell, case etc., assembly process is long, require high to process unit positioning accuracy request, element precision, be difficult to carry out large-scale production, add the designing technique reason, cause performance/volume, P/C has influenced promoting the use of of this relay than all than higher.

The utility model content

The purpose of this utility model provides a kind of magnetic latching relay, to overcome existing product complex structure, accessory size instability, assembles loaded down with trivial details deficiency.

The purpose of this utility model is to be achieved through the following technical solutions:

A kind of magnetic latching relay comprises pedestal, magnetic circuit part, moving plate combination and still combination, and the magnetic circuit part is connected by pushing piece with pedestal; The magnetic circuit part is made up of bobbin, armature component, yoke, iron core, plastic splint and magnet exciting coil, armature component is made up of magnet steel, pole piece and disk pack insulator, armature component stretches out parts of plastics and pushing piece interoperation, yoke is roughly L type, unshakable in one's determination by elongated bobbin intermediate hollow position, magnet exciting coil is wound on the bobbin, and the pole piece in the armature component, yoke and unshakable in one's determination the intersection contact the formation closed magnetic circuit; Described moving plate assembly comprises brace, movable contact spring, large shunt sheet, little splitter and moving contact, and wherein the movable contact spring effect is to guarantee that dynamic and static contact well contacts and form the pressure between the described contact point; Described still assembly is made up of still and fixed contact; Plastic splint is erose plastic part, which is provided with the hole, and wherein mesopore is used for the location of armature component axle, and square hole is used for the location of plastic splint on the magnetic circuit part; Bobbin is provided with two terminal pins, the inside and outside lead-out wire of magnet exciting coil is welded on the terminal pin respectively, movable contact spring on the moving plate assembly passes the hole of pushing piece front end, extension on the armature component passes the hole of pushing piece rear end, the leg of magnetic circuit part is connect the both positive and negative polarity of DC power supply respectively, and then the main contacts of relay is closed or disconnect greater than the positive voltage of millisecond or negative voltage by one section.

The beneficial effect of magnetic latching relay described in the utility model is: magnetic latching relay described in the utility model can carry out up to 80 amperes current delivery, and simple in structure, accessory size is stablized, and assembling is simple.

Description of drawings

With reference to the accompanying drawings the utility model is described in further detail below.

Fig. 1 is the structural representation of the described magnetic latching relay of the utility model embodiment;

Fig. 2 is the surface structure schematic diagram of the described magnetic latching relay of the utility model embodiment.

Among the figure:

1, still; 2, brace; 3, armature component; 4, magnet exciting coil; 5, bobbin; 6, movable contact spring; 7, fixed contact; 8, moving contact; 9, pushing piece; 10, little splitter; 11, large shunt sheet; 12, pole piece; 13, yoke; 14, iron core; 15, plastic splint; 16, pedestal; 17, hole; 18, magnetic circuit part; 19, terminal pin.

Embodiment

Shown in Fig. 1-2, the described magnetic latching relay of the utility model embodiment comprises pedestal 16, magnetic circuit part 18, moving plate combination and still combination, and magnetic circuit part 18 is connected by pushing piece 9 with pedestal 16; Magnetic circuit part 18 is made up of bobbin 5, armature component 3, yoke 13, iron core 14, plastic splint 15 and magnet exciting coil 4, armature component 3 is made up of magnet steel, pole piece 12 and disk pack insulator, armature component 3 stretches out parts of plastics and pushing piece 9 interoperations, yoke 13 is roughly L type, unshakable in one's determination 14 by elongated bobbin 5 intermediate hollow positions, magnet exciting coil 4 is wound on the bobbin 5, and the pole piece 12 in the armature component 3, yoke 13 and 14 intersections unshakable in one's determination contact and form closed magnetic circuit; Described moving plate assembly comprises brace 2, movable contact spring 6, large shunt sheet 11, little splitter 10 and moving contact 8, and wherein movable contact spring 6 effects are to guarantee that dynamic and static contact well contacts and form the pressure between the described contact point; Described still assembly is made up of still 1 and fixed contact 7; Plastic splint 15 is erose plastic part, which is provided with hole 17, and wherein mesopore is used for the location of 3 of armature components, and square hole is used for the location of plastic splint 15 on magnetic circuit part 18; Bobbin 5 is provided with two terminal pins 19, the inside and outside lead-out wire of magnet exciting coil 4 is welded on respectively on the terminal pin 19, movable contact spring 6 on the moving plate assembly passes the hole of pushing piece 9 front ends, extension on the armature component 3 passes the hole of pushing piece 9 rear ends, the leg 19 of magnetic circuit part 18 is connect the both positive and negative polarity of DC power supply respectively, and then the main contacts of relay is closed or disconnect greater than 30 milliseconds positive voltage or negative voltage by one section.

Claims

1. a magnetic latching relay comprises pedestal (16), magnetic circuit part (18), moving plate combination and still combination, and it is characterized in that: magnetic circuit part (18) is connected by pushing piece (9) with pedestal (16); Magnetic circuit part (18) is made up of bobbin (5), armature component (3), yoke (13), iron core (14), plastic splint (15) and magnet exciting coil (4), armature component (3) is made up of magnet steel, pole piece (12) and disk pack insulator, (14) unshakable in one's determination are by elongated bobbin (5) intermediate hollow position, magnet exciting coil (4) is wound on the bobbin (5), and the pole piece (12) in the armature component (3), yoke (13) contact with (14) unshakable in one's determination intersection and form closed magnetic circuit; The moving plate assembly comprises brace (2), movable contact spring (6), large shunt sheet (11), little splitter (10) and moving contact (8), and the still assembly is made up of still (1) and fixed contact (7), and plastic splint (15) is provided with hole (17); Bobbin (5) is provided with two terminal pins (19), the inside and outside lead-out wire of magnet exciting coil (4) is welded on respectively on the terminal pin (19), movable contact spring on the moving plate assembly (6) passes the hole of pushing piece (9) front end, extension on the armature component (3) passes the hole of pushing piece (9) rear end, and the leg (19) of magnetic circuit part (18) connects the both positive and negative polarity of DC power supply respectively.