CN202259046U

CN202259046U - Four-contact relay

Info

Publication number: CN202259046U
Application number: CN2011203633525U
Authority: CN
Inventors: 不公告发明人
Original assignee: JIANGSU ZHNEGQI ELECTRIC CO Ltd
Current assignee: JIANGSU ZHNEGQI ELECTRIC CO Ltd
Priority date: 2011-09-27
Filing date: 2011-09-27
Publication date: 2012-05-30
Anticipated expiration: 2021-09-27

Abstract

A four-contact relay includes a coil, a substrate, a housing, a yoke, an armature, reeds, a normally closed contact pin, a normally open contact pin, an input pole pin, positive and negative pins, a moving contact, a normally closed contact, an insulated balance plate, a coil reinforcing piece, a support, an extension spring, a hook, an insulated panel and positive and negative connection lines. The four-contact relay is characterized in that the yoke passes through the coil and is fixedly arranged on the coil reinforcing piece, the upper end portion of the support is provided with a U-shaped gap, the insulated balance plate is fixedly connected with the armature, the reeds are arranged on the insulated balance plate in parallel in a hot pressing method, the front end of each reed is provided with two moving contacts, the armature is clamped on the support, the extension spring is connected with an agraffe and the hook, the normally closed contact is fixed by the normally closed contact pin corresponding to the moving contact, the normally open contact of the normally open contact pin is arranged upward corresponding to the moving contact, and the moving contact and the normally closed contact are in a normally close state under the effect of the extension spring. The input pole pin is connected with the reeds through a lead, and the positive and negative pins are connected with the coil through the connection lines.

Description

Four contact relays

Technical field

The utility model relates to a kind of relay.

Background technology

Relay is a kind of electronic control device; It has control system (claim not only input circuit) and Be Controlled system (but also claiming output loop); Usually be applied in the automatic control circuit, in fact use less current to remove to control a kind of " automatic switch " of bigger electric current.In circuit, play effects such as automatic adjusting, safeguard protection, change-over circuit, use very extensive.The deficiency of the relay that uses in the market is the processing single-pieceization, and cost is higher, and volume weight is big, and useful life is short, and driving power consumption is big, and switching speed is low.And external some micro-mechanical relays that use can't satisfy synchronizing close to the folding of multiloop contact is controlled, and the coil power consumption is higher, and homogeneity of product is poor.Simultaneously; Some relay is in use also with the parallel connection of controlled electric elements or connect; Following in working order its attract current of relay (being that relay produces the needed minimum current of closed action) or release current (being that relay produces the needed maximum current of releasing action) are also in continuous alternate, and in the practical application, closed path is far longer than release current; This unstable characteristic of relay; Often the operate as normal to the controlled electric appliance in the circuit produces certain influence, because attract current often will exceed 1.5 times of given electric current, just can guarantee the operate as normal of relay simultaneously; Solenoid is under the function of current that height changes, and very easily coil is consequently damaged in heating.

Summary of the invention

The utility model is exactly for solving the problem that above-mentioned technology exists, and disclosed a kind of four contact relays.Mainly comprise: coil (1); Substrate (2); Case (3); Yoke (4); Armature (5); Reed (6a; 6b); Normally-closed contact pin (7a; 7b); Normally opened contact pin (8a; 8b); Input utmost point pin (9a; 9b); Anodal pin (10); Negative pole pin (10 '); Moving contact (11a; 11a '; 11b; 11b '); Normally-closed contact (12a; 12b); Normally opened contact (13a; 13b); Insulation balance plate (14); Coil girth member (15); Support (16); Extension spring (17); Hook (18); Lower insulation plate (19); Upper insulation plate (19 '); Screw (20); Positive lead (21); Negative lead (21 '); Lead (22a; 22b); Have contact with (23); It is characterized in that: yoke (4) passes the center of circle of coil (1); The bottom is passed lower insulation plate (19) and is installed with on coil girth member (15); The upper end of yoke (4) is nested with upper insulation plate (19 '), and coil (1) is installed with between lower insulation plate (19) and upper insulation plate (19 '); Coil girth member (15) comprises facade body (15 ') and the support (16) that forms 90 degree angles with the plate face of coil girth member (15); The three in one moulding also forms the structure that the cross section is " L " shape; Horizontal " [" v notch v is established in support (16) upper end; The bottom is provided with hook (18) near the centre of coil girth member (15), and support (16) is vertical with coil girth member (15) plate face, and facade body (15 ') connects through screw (20) Luo and is installed with on substrate (2); Substrate (2) is a rectangle bakelite plate body, its inboard be equipped with one with the smaller plate body of its shape equal area, and one-body molded with substrate (2), its edge part forms scalariform; Armature (5) is the plate body that the soft magnetic material that is rectangle is processed; (23) are had contact with in rear end pars intermedia setting; Armature (5) is symmetrical set two circular holes near the position of having contact with (23), and insulation balance plate (14) is the rectangle plate body of being processed by bakelite, and both sides are provided with two lug bosses (14 ') near the position of having contact with (23) at an upper portion thereof; Connect through strip shape body (24) between two lug bosses; Strip shape body (24), two lug bosses (14 ') and the balance plate (14) that insulate are all one-body molded, and insulation balance plate (14) posts on armature (5), and is installed with in last two circular holes of armature (5) through the clout hot pressing of insulation balance plate (14); Make insulation balance plate (14) and armature (5) affixed; Reed has two, is respectively reed (6a) and reed (6b), reed (6a) and reed (6b) be distributed in side by side the insulation balance plate (14) above; The rear portion is passed between strip shape body (24) and insulation balance plate (14) hot pressing and is fixed; Its end is upturned and is weld part, and reed (6a, 6b) all is strip, is copper material; The front end of each reed all is provided with two moving contacts (11a, 11a ', 11b, 11b ') up and down; And correspondence is installed with on reed up and down, and armature (4) rear end holding is in the breach of support (16) upper end, and extension spring (17) upper end hangs over has contact with on (23); The lower end is articulated on the hook (18) of support (16) bottom; Make armature (5) be fulcrum and become subtended angle to separate shape with yoke (4) with support (16), normally-closed contact pin (7a), (7b) be preset at side by side substrate (2) near the position, upper end, its inboard end is installed with normally-closed contact (12a) and (12b) respectively; And make normally-closed contact (12a, 12b) corresponding with the last moving contact of reed (6a), (6b) end (11a '), (11b ') respectively downwards; The normally opened contact pin has two (8a) and (8b) corresponding up and down with normally-closed contact pin (7a), (7b) respectively, and its rear end portion is installed with normally opened contact (13a, 13b) respectively, make normally opened contact (13a, 13b) upwards and when armature (5) is closed with reed (6a) and following moving contact (11a) (6b), (11b) closure one by one; The front end that is reed (6a, 6b) places between normally-closed contact (12a, 12b) and the normally opened contact (13a, 13b), and under the effect of extension spring (17), goes up moving contact (11a ', 11b ') and be in normally off with normally-closed contact (12a, 12b) respectively; Input utmost point pin (9a, 9b) is preset at respectively on the substrate (2) side by side; Be in the below of normally opened contact pin (8a, 8b) and corresponding up and down, the inside end of input utmost point pin (9a, 9b) is connected to the rear end weld part of reed (6a, 6b) through lead (22a, 22b); Anodal pin (10) and negative pole pin (10 ') are preset at the both sides that are in facade body (15 ') on the substrate (2) respectively side by side; Keep the gap with facade body (15 ') both sides; And be connected to the both positive and negative polarity of coil (1) respectively through positive lead (21) and negative lead (21 '); Case (3) is a transparent plastic product; Be cuboid; With the corresponding one side of substrate (2) be uncovered shape, and with the scalariform portion clamping of substrate (2) airtight (because accompanying

drawing

1,2,3 is respectively side-looking, backsight and the plan structure sketch map of this utility model, thus down moving contact 11b, go up among moving contact 11b ', normally opened contact pin 8b, normally opened contact 13b, input utmost point pin 9b and the negative lead 21 ' figure all sign).

This utility model is owing to adopt vacuum tightness and the mode of dual input and driving shunting; Consume energy low, volume is little, simple installation, plug and play is owing to adopted insulation balance plate device; Guaranteed the folding synchronous operation of contact, it is high to be adapted to two-way control consistency of product.

Description of drawings

Referring to accompanying drawing, Fig. 1 is the side-looking structural representation of the utility model;

Fig. 2 is the backsight structure chart of the utility model;

Fig. 3 is the plan structure sketch map of the utility model.

Embodiment

Be described further below in conjunction with width of cloth figure and specific embodiment concrete characteristic the utility model.

Referring to accompanying drawing 1, Fig. 2 and Fig. 3, mainly comprise: coil (1), substrate (2), case (3), yoke (4), armature (5), reed (6a, 6b), normally-closed contact pin (7a, 7b), normally opened contact pin (8a, 8b), input utmost point pin (9a, 9b), anodal pin (10), negative pole pin (10 '), moving contact (11a, 11a ', 11b, 11b '), normally-closed contact (12a, 12b), normally opened contact (13a, 13b), insulation balance plate (14), coil girth member (15), support (16), extension spring (17), hook (18), lower insulation plate (19), upper insulation plate (19 '), screw (20), positive lead (21), negative lead (21 '), lead (22a, 22b), have contact with (23); After above-mentioned each assembly installed, in vacuum tank that case (3) is affixed with substrate (2) sealing; Incorporate this utility model into circuit; When coil (1) input dc power is flowed, armature (5) under the magneticaction of yoke (4), the pulling force that overcomes extension spring (17) to yoke (4) near; Driving reed makes normally-closed contact separate with moving contact; Closed downwards with normally opened contact, changed and imported the current path of the utmost point, thereby reached the purpose of control circuit.

Claims

1. four contact relays mainly comprise: coil (1), substrate (2), case (3), yoke (4), armature (5), reed (6a, 6b), normally-closed contact pin (7a, 7b), normally opened contact pin (8a, 8b), input utmost point pin (9a, 9b), anodal pin (10), negative pole pin (10 '), moving contact (11a, 11a ', 11b, 11b '), normally-closed contact (12a, 12b), normally opened contact (13a, 13b), insulation balance plate (14), coil girth member (15), support (16), extension spring (17), hook (18), lower insulation plate (19), upper insulation plate (19 '), screw (20), positive lead (21), negative lead (21 '), lead (22a, 22b), have contact with (23); It is characterized in that: described yoke (4) passes the center of circle of coil (1); The bottom is passed lower insulation plate (19) and is installed with on coil girth member (15); The upper end of yoke (4) is nested with upper insulation plate (19 '); Coil (1) is installed with between lower insulation plate (19) and upper insulation plate (19 '); Described girth member (15) is installed with on described substrate (2) through described screw (20); Described normally-closed contact pin (7a, 7b), normally opened contact pin (8a, 8b), input utmost point pin (9a, 9b), just reach pin (10), negative pole pin (10 ') is preset on the described substrate (2); And it is corresponding each other from top to bottom; Described armature (5) is installed with described insulation balance plate (14) hot pressing; Described reed (6a, 6b) hot pressing is installed with on insulation balance plate (14), and described armature (5) holding is on described support (16), and described extension spring (17) articulates described hook (18) and has contact with on (23); And the front end of the reed (6a, 6b) under making places respectively between the normally-closed contact (12a, 12b) and normally opened contact (13a, 13b) on described normally-closed contact pin (7a, 7b) and the normally opened contact pin (8a, 8b); And under the effect of extension spring (17), described moving contact (11a ', 11b ') is in normally off with normally-closed contact (12a, 12b), and described input utmost point pin (9a, 9b) is connected with reed (6a, 6b) through lead (22a, 22b) respectively; Described anodal pin (10) negative pole pins (10 ') are connected with coil through positive lead (21), negative lead (21 ') respectively, and described case (3) seals affixed in vacuum tank with described substrate (2).

2. four contact relays according to claim 1; It is characterized in that: described coil girth member (15) comprises facade body (15 ') and the support (16) that forms 90 degree angles with the plate face of coil girth member (15); The three in one moulding also forms the structure that the cross section is " L " shape; Horizontal " [" v notch v is established in described support (16) upper end; The bottom is provided with hook (18) near the centre of coil girth member (15), and support (16) is vertical with coil girth member (15) plate face, and described facade body (15 ') connects through screw (20) Luo and is installed with on substrate (2).

3. four contact relays according to claim 1; It is characterized in that: described substrate (2) is a rectangle bakelite plate body; Its inboard be equipped with one with the smaller plate body of its shape equal area, and one-body molded with described substrate (2), its edge part forms scalariform; Described armature (5) is the plate body that the soft magnetic material that is rectangle is processed; (23) are had contact with in rear end pars intermedia setting; Described armature (5) is symmetrical set two circular holes near the position of having contact with (23); Described insulation balance plate (14) is the rectangle plate body of being processed by bakelite, and both sides are provided with two lug bosses (14 ') near the position of having contact with (23) at an upper portion thereof, connects through strip shape body (24) between two lug bosses; Described strip shape body (24), two lug bosses (14 ') and the balance plate (14) that insulate are all one-body molded; Described insulation balance plate (14) posts on armature (5), and is installed with in last two circular holes of armature (5) through the clout hot pressing of insulation balance plate (14), makes insulation balance plate (14) and armature (5) affixed.

4. four contact relays according to claim 1; It is characterized in that: described reed has two, is respectively reed (6a) and reed (6b), reed (6a) and reed (6b) be distributed in side by side the insulation balance plate (14) above; The rear portion is passed between strip shape body (24) and insulation balance plate (14) hot pressing and is fixed; Its end is upturned and is weld part, and described reed (6a, 6b) all is strip, is copper material; The front end of each reed all is provided with two moving contacts (11a, 11a ', 11b, 11b ') up and down; And correspondence is installed with on reed up and down, and armature (4) rear end holding is in the breach of support (16) upper end, and extension spring (17) upper end hangs over has contact with on (23); The lower end is articulated on the hook (18) of support (16) bottom, and making armature (5) is that fulcrum becomes subtended angle to separate shape with yoke (4) with support (16).

5. four contact relays according to claim 1; It is characterized in that: described normally-closed contact pin has two (7a) and (7b); Be preset at side by side substrate (2) near the position, upper end; Its inboard end is installed with normally-closed contact (12a) and (12b) respectively, and makes normally-closed contact (12a, 12b) corresponding with the last moving contact of reed (6a), (6b) end (11a '), (11b ') respectively downwards; Described normally opened contact pin has two (8a) and (8b) corresponding up and down with normally-closed contact pin (7a), (7b) respectively; Its rear end portion is installed with normally opened contact (13a, 13b) respectively; Make normally opened contact (13a, 13b) upwards and when armature (5) is closed with reed (6a) and following moving contact (11a) (6b), (11b) closure one by one; The front end that is reed (6a, 6b) places between normally-closed contact (12a, 12b) and the normally opened contact (13a, 13b), and under the effect of extension spring (17), goes up moving contact (11a ', 11b ') and be in normally off with normally-closed contact (12a, 12b) respectively.

6. four contact relays according to claim 1; It is characterized in that: described input utmost point pin has two (9a, 9b); Be preset at side by side respectively on the described substrate (2); Be in the below of normally opened contact pin (8a, 8b) and corresponding up and down, the inside end of described input utmost point pin (9a, 9b) is connected to the rear end weld part of reed (6a, 6b) through lead (22a, 22b); Described anodal pin (10) and negative pole pin (10 ') are preset at the both sides that are in facade body (15 ') on the substrate (2) respectively side by side; Keep the gap with facade body (15 ') both sides, and be connected to the both positive and negative polarity of coil (1) through positive lead (21) and negative lead (21 ') respectively; Described case (3) is a transparent plastic product, is cuboid, with the corresponding one side of substrate (2) be uncovered shape, and airtight with the scalariform portion clamping of substrate (2).