CN219575516U - Double-contact magnetic latching relay - Google Patents

Abstract

The utility model discloses a double-contact magnetic latching relay which comprises a top cover and a base, wherein an inserting groove is formed in the periphery of the top of the base, a sponge baffle strip with a moisture absorption function is adhered to the inner side of the inserting groove, the top of the base is clamped with the top cover, heat dissipation aluminum plates are arranged on the two sides of the top cover through screws, heat absorption copper pipes penetrate through the heat dissipation aluminum plates at equal intervals, an electromagnetic coil is arranged at one end of the top of the base through a mounting seat, a movable iron sheet is arranged at the upper end of the electromagnetic coil, a fixing plate is arranged on one side of the top end of the electromagnetic coil through screws, a sleeve is sleeved on the fixing plate, a telescopic rod is sleeved in the sleeve, one end of the movable iron sheet is welded with the movable plate, and an inclined linkage rod is welded at the bottom end of the movable plate. The novel double-contact magnetic latching relay can improve the heat dissipation rate and has the effect of moisture absorption on the premise of improving the sealing performance, and is suitable for wide popularization and use.

Description

Double-contact magnetic latching relay

Technical Field

The utility model relates to the technical field of relays, in particular to a double-contact magnetic latching relay.

Background

The magnetic latching relay is a novel relay developed in recent years, is also an automatic switch, and plays a role in automatically switching on and off a circuit as other electromagnetic relays, and is different in that the normally closed or normally open state of the magnetic latching relay is completely dependent on the action of permanent magnet steel, the switching of the switching state is completed by triggering by pulse electric signals with a certain width, the switching state of the magnetic latching relay is always kept by the magnetic force generated by a permanent magnet, when the contacts of the relay need to be switched on or off, only a coil is excited by positive (reverse) direct current pulse voltage, the relay instantly completes the switching of the switching on and off states, and normally the coil does not need to be continuously electrified when the contacts are in a keeping state, the state of the relay is kept unchanged only by the magnetic force of the permanent magnet, and the double-contact magnetic latching relay realizes the switching of the circuit through the arrangement of double contacts, so that the magnetic latching relay has high automation degree and high precision and is not easy to damage.

Patent number CN202023215918.8 discloses a double-contact magnetic latching relay, the movable reed of which comprises a first reed and a second reed which are arranged in parallel, the first reed is provided with a first movable contact, and the second reed is provided with a second movable contact; the horizontal heights of the first movable contact and the second movable contact are consistent, the area of the first movable contact is larger than that of the second movable contact, the overall contact resistance can be reduced after the smaller movable contact is connected, the electric arcs generated when a circuit is connected can be reduced through the arrangement of the two contact points, and the service life of the relay is prolonged; the yoke comprises a first yoke and a second yoke, wherein the first yoke and the second yoke form a n-shaped opening part, and the opening part is positioned at one side of the yoke fixedly connected with the iron core; the magnetic steel is arranged in the opening of the opening part; the first magnetic circuit formed by the magnetic steel does not pass through the iron core and the armature, and when the relay is not electrified, suction force is not generated, namely false suction is not generated.

The existing double-contact magnetic latching relay has the following defects: the double-contact magnetic latching relay has a simple structure, can not improve the heat dissipation rate and has no moisture absorption effect on the premise of improving the sealing performance. To this end, we propose a double contact magnetic latching relay.

Disclosure of Invention

The utility model mainly aims to provide a double-contact magnetic latching relay which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a double contact magnetic latching relay, includes top cap and base, the inboard bonding of inserting groove and inserting groove is offered to base top periphery has the sponge shelves strip of moisture absorption function, the top block of base has top cap and top cap's both sides through screw installation heat dissipation aluminum plate, the equidistance runs through in the heat dissipation aluminum plate has the heat absorption copper pipe, solenoid and solenoid's upper end is provided with movable iron sheet is installed through the mount pad to the top one end of base, solenoid's top one side is installed the fixed plate through the screw, sleeve pipe and sleeve pipe endotheca are established to the cover on the fixed plate, the one end welding fly leaf of movable iron sheet and the bottom welding slope gangbar of fly leaf, the bottom of slope gangbar is through spliced pole connection metal switch-on piece.

Further, the bottom welding grafting foot of top cap and grafting foot are located the grafting inslot that corresponds, locking screw is installed through the bolt hole to the corner in grafting groove, realizes the quick connect of top cap, and the leakproofness is high.

Further, a wire tube is arranged at one side of the bottom end of the top cover, a wiring terminal is arranged at the bottom end of the electromagnetic coil and penetrates through the wire tube, when the contact of the relay needs to be in an open or close state, the electromagnetic coil is only excited by positive (reverse) direct current pulse voltage, the relay is switched between the open state and the close state instantly, and normally, when the contact is in a holding state, the electromagnetic coil does not need to be continuously electrified, and the state of the relay can be maintained unchanged only by the magnetic force of the permanent magnet.

Further, the top cover of telescopic link is established on the fly leaf, riser A and riser A are seted up to the top other end welding of base on, the slope gangbar runs through the through-hole, riser A's top one side is provided with first contact.

Further, one end of the vertical plate A is welded with the vertical plate B, and one end of the top of the vertical plate B is provided with a second contact.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model relates to a double-contact magnetic latching relay, wherein the opening and closing states of the contacts of the magnetic latching relay are kept by magnetic force generated by an electromagnetic coil at ordinary times, when the contacts of the relay need to be opened or closed, the electromagnetic coil is only excited by positive (reverse) direct current pulse voltage, the relay can switch the opening and closing states instantly, and when the contacts are in a keeping state, the electromagnetic coil does not need to be continuously electrified, and the state of the relay can be kept unchanged only by the magnetic force of a permanent magnet.

2. According to the double-contact magnetic latching relay, the plug pins are positioned in the corresponding plug grooves, the locking screws are arranged at the corners of the plug grooves through the bolt holes, so that the quick connection of the top cover is realized, the tightness is high, the effect of absorbing moisture at the connection is achieved by utilizing the sponge baffle strips, and the heat absorption copper pipe in the heat dissipation aluminum plate is convenient for absorbing heat generated by the relay, so that the heat dissipation rate of the relay is improved on the premise of improving the tightness of the relay.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a double-contact magnetic latching relay of the present utility model.

Fig. 2 is a schematic diagram of the electromagnetic coil structure of the double-contact magnetic latching relay of the present utility model.

Fig. 3 is a schematic diagram of the internal structure of a top cover of the double-contact magnetic latching relay of the present utility model.

In the figure: 1. a top cover; 2. a heat absorbing copper tube; 3. a heat-dissipating aluminum plate; 4. a locking screw; 5. a base; 6. a conduit; 7. binding posts; 8. a plug pin; 9. a movable iron sheet; 10. an electromagnetic coil; 11. a connecting column; 12. a sponge baffle bar; 13. a plug-in groove; 14. a fixing plate; 15. a sleeve; 16. a movable plate; 17. a telescopic rod; 18. tilting the linkage rod; 19. a first contact; 20. a metal energizing sheet; 21. a second contact; 22. a through hole; 23. a vertical plate A; 24. and a vertical plate B.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a double-contact magnetic latching relay comprises a top cover 1 and a base 5, a plugging groove 13 is formed in the periphery of the top of the base 5, a sponge baffle 12 with a moisture absorption function is bonded on the inner side of the plugging groove 13, a top cover 1 is clamped on the top of the base 5, heat dissipation aluminum plates 3 are mounted on two sides of the top cover 1 through screws, heat absorption copper pipes 2 are equidistantly penetrated in the heat dissipation aluminum plates 3, an electromagnetic coil 10 is mounted on one end of the top of the base 5 through a mounting seat, a movable iron sheet 9 is arranged at the upper end of the electromagnetic coil 10, a fixing plate 14 is mounted on one side of the top end of the electromagnetic coil 10 through screws, a sleeve 15 is sleeved on the fixing plate 14, a telescopic rod 17 is sleeved in the sleeve 15, one end of the movable iron sheet 9 is welded with a movable plate 16, the bottom end of the movable plate 16 is welded with an inclined linkage rod 18, and the bottom end of the inclined linkage rod 18 is connected with a metal electrifying sheet 20 through a connecting column 11.

The bottom of the top cover 1 is welded with the plug pins 8, the plug pins 8 are located in the corresponding plug grooves 13, and locking screws 4 are installed at corners of the plug grooves 13 through bolt holes.

In this embodiment, as shown in fig. 1 and 2, the top cover 1 is quickly connected, and the sealing performance is high.

Wherein, bottom one side of top cap 1 is provided with spool 6, solenoid 10's bottom is provided with terminal 7 and terminal 7 runs through spool 6.

The top end of the telescopic rod 17 is sleeved on the movable plate 16, the other end of the top of the base 5 is welded with a vertical plate A23, a through hole 22 is formed in the vertical plate A23, the inclined linkage rod 18 penetrates through the through hole 22, and a first contact 19 is arranged on one side of the top end of the vertical plate A23.

In this embodiment, as shown in fig. 2 and 3, when the contacts of the relay need to be opened or closed, the electromagnetic coil 10 is only excited by the forward and reverse direct current pulse voltage, the relay is switched between the opened and closed states instantly, and when the contacts are in the holding state, the electromagnetic coil 10 does not need to be continuously electrified, and the state of the relay can be maintained by the magnetic force of the permanent magnet.

Wherein, one end of the vertical plate A23 is welded with the vertical plate B24, and one end of the top of the vertical plate B24 is provided with the second contact 21.

In this embodiment, as shown in fig. 3, switching between contacts is achieved.

The utility model is a double-contact magnetic latching relay, when in operation, the contact of the magnetic latching relay is kept by the magnetic force generated by the electromagnetic coil 10 at ordinary times, when the contact of the relay needs to be in an open or close state, the electromagnetic coil 10 is only excited by positive and negative direct current pulse voltage, the relay finishes the state conversion of opening and closing instantly, when the contact is in a keeping state, the electromagnetic coil 10 does not need to be continuously electrified, the state of the relay can be kept unchanged only by the magnetic force of a permanent magnet, the plug pins 8 are positioned in the corresponding plug grooves 13, the locking screw 4 is arranged at the corners of the plug grooves 13 through bolt holes, the quick connection of the top cover 1 is realized, the sealing performance is high, the moisture absorption effect of the connecting part is realized by utilizing the sponge baffle strip 12, and the heat absorption copper pipe 2 in the heat dissipation aluminum plate 3 is convenient for absorbing the heat generated by the relay, and the heat dissipation rate of the relay is improved on the premise of improving the sealing performance of the relay.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a double contact magnetic latching relay, includes top cap (1) and base (5), its characterized in that: the utility model discloses a metal power strip, including base (5), fixed plate (14) are installed through the screw to fixed plate (14), fixed plate (10), fixed plate (14) are installed through the screw to the top of base (5) top periphery, sponge shelves (12) that have moisture absorption function are offered to the inboard bonding of inserting groove (13), the top block of base (5) has top cap (1) and top cap (1) both sides pass through screw installation heat dissipation aluminum plate (3), the equidistance runs through in heat dissipation aluminum plate (3) has heat absorption copper pipe (2), the upper end of electromagnetic coil (10) and electromagnetic coil (10) is provided with movable iron sheet (9) through the mount pad in top one end of base (5), sleeve pipe (15) and sleeve pipe (15) endotheca are established in the fixed plate (14), one end welding movable plate (16) of movable iron sheet (9) and bottom welding slope gangbar (18), the bottom of slope gangbar (18) is connected metal power strip (20) through spliced pole (11).

2. A dual contact magnetic latching relay according to claim 1, wherein: the bottom of the top cover (1) is welded with the plug pins (8) and the plug pins (8) are located in the corresponding plug grooves (13), and locking screws (4) are installed at the corners of the plug grooves (13) through bolt holes.

3. A dual contact magnetic latching relay according to claim 1, wherein: a wire tube (6) is arranged on one side of the bottom end of the top cover (1), a binding post (7) is arranged at the bottom end of the electromagnetic coil (10), and the binding post (7) penetrates through the wire tube (6).

4. A dual contact magnetic latching relay according to claim 1, wherein: the top cover of telescopic link (17) is established on fly leaf (16), riser A (23) are welded to the top other end of base (5) and offer through-hole (22) on riser A (23), slope gangbar (18) run through-hole (22), top one side of riser A (23) is provided with first contact (19).

5. A dual contact magnetic latching relay according to claim 4, wherein: one end of the vertical plate A (23) is welded with the vertical plate B (24), and one end of the top of the vertical plate B (24) is provided with a second contact (21).