CN213845169U

CN213845169U - Magnetic latching relay

Info

Publication number: CN213845169U
Application number: CN202022093270.5U
Authority: CN
Inventors: 李邓生; 胡敏; 王锦柏
Original assignee: Guangdong Gaodeng Intelligent Power Co ltd
Current assignee: Guangdong Gaodeng Intelligent Power Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-07-30
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses relay technical field, in particular to magnetic latching relay, include: shell body, magnetic structure, push jack, movable contact structure and stationary contact structure, the stationary contact structure includes: the static sheet is clamped in the outer shell, and the static sheet contact is fixedly arranged on the static sheet; further comprising: the mounting pieces and the soft copper wires are welded on the movable contact structure and the fixed contact structure respectively; the still includes: the static sheet main body, and the protruding welding piece and the protruding fastener that are equipped with interval ground and protruding in the same end of static sheet main body. Through welding the annealed copper wire and the installation piece on the contact subassembly, the annealed copper wire has avoided the relay when the installation, and the sound subassembly has simplified the relay at inside installation of combined switch shell, has improved the performance of product because of the stress that fixed production produces the relay. In addition, the utility model discloses still possess when keeping relay at 2 times rated voltage drives, action time is less than or equal to 5.5mS, and bounce time is less than or equal to 0.2 mS's characteristics.

Description

Magnetic latching relay

Technical Field

The utility model relates to a relay technical field, in particular to magnetic latching relay.

Background

The magnetic latching biphase relay is a new type relay developed in recent years, and plays a role in automatically switching on and off a circuit. When the contact of the relay needs to be in an open or close state, the on-off state of the relay can be instantly switched by only exciting the coil by using positive direct current pulse voltage. Normally, when the contact is in the hold state, the coil does not need to be energized, and the relay state can be maintained by only the magnetic force of the permanent magnet.

The magnetic latching relay in the prior art has the defect that the performance of a product is easily influenced when the magnetic latching relay is arranged inside a composite switch shell.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides magnetic latching relay, through welding the annealed copper line and installing the piece on the contact subassembly, the annealed copper line has avoided the relay when the installation, and the sound subassembly produces the influence to the relay because of the fixed stress that produces, has simplified the relay at the inside installation of combined switch shell, has improved the performance of product. In addition, the utility model discloses still possess when keeping relay at 2 times rated voltage drives, action time is less than or equal to 5.5mS, and bounce time is less than or equal to 0.2 mS's characteristics.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a magnetic latching relay comprising: be provided with the shell body of locating plate, set firmly in the shell body, and set up with the magnetic circuit structure of locating plate a side, set up in the shell body, card are gone into locating plate and perpendicular to the push jack of locating plate activity, and set up in the shell body, and set up in locating plate another side, according to the promotion of push jack realizes disconnection or closed movable contact structure and stationary contact structure, the stationary contact structure includes: the static sheet is clamped in the outer shell, and the static sheet contact is fixedly arranged on the static sheet; further comprising: the mounting pieces and the soft copper wires are welded on the movable contact structure and the fixed contact structure respectively; the still includes: the static sheet main part, and have interval ground protruding establish the same end of static sheet main part protruding welding piece and protruding fastener.

Preferably, the width of the projecting weld tab is greater than the width of the projecting catch.

Preferably, a top corner of the stator body is chamfered.

Preferably, the stator main body is of a square structure, and the stator contact is arranged on the stator main body.

Preferably, one end of the annealed copper wire is welded on the protruding welding sheet, and the mounting sheet is welded with the other end of the annealed copper wire.

Preferably, the movable contact structure includes: the connecting piece is fixedly arranged on the shell body, and the moving plate module is riveted with the connecting piece at one end and connected with the push plate at the other end in a clamping manner.

Preferably, the moving plate module includes: one end of the large bow piece is riveted with the connecting piece, the small bow piece is riveted with the reed, the movable contact is riveted with the cantilever end of the large bow piece, the small bow piece and the reed, and a gap is reserved between the cantilever end of the large bow piece and the cantilever end of the small bow piece.

Preferably, the magnetic circuit structure includes: the coil frame is fixedly arranged in the outer shell, the coil is wound on the coil frame, the yoke iron is fixedly arranged on the coil frame and extends from two ends of the coil frame to the push sheet, and the magnetic packet insulator swings left and right by taking the yoke iron as an axis.

Preferably, two limit blocks are respectively arranged at the upper end and the lower end of the magnetic package insulator, the yoke iron extends to a position between the two limit blocks at the same end, and an armature deflector rod is arranged on one side of the magnetic package insulator.

Preferably, when the magnetic latching relay is driven by 2 times of rated voltage, the action time is less than or equal to 5.5mS, and the rebound time is less than or equal to 0.2 mS.

The utility model discloses a magnetic latching relay, through the sound contact structural welding is two sets of installation piece and annealed copper wire module have avoided the relay when the installation, and sound contact structure produces the influence to the relay because of fixed stress that produces, and then influences the performance of product, the utility model has the characteristics of compound switch shell internally mounted is simple, and installation back product stability is better, in addition, the utility model discloses a right the structure setting of still is makeed this product when keeping the relay at 2 times rated voltage drive, possesses the action time and is less than or equal to 5.5mS, and rebound time is less than or equal to 0.2 mS's characteristics.

Drawings

Fig. 1 is an exploded schematic view of an embodiment of the magnetic latching relay of the present invention.

Fig. 2 is a schematic structural diagram of an opening cover plate according to an embodiment of the magnetic latching relay of the present invention.

Fig. 3 is a schematic view of a magnetic circuit structure and a connection structure of the push-plate connection according to an embodiment of the magnetic latching relay of the present invention.

Fig. 4 is a schematic structural view of the moving plate module, the first mounting plate and the first annealed copper wire of the embodiment of the magnetic latching relay of the present invention.

Fig. 5 is a schematic structural diagram of the stationary contact structure, the second mounting piece and the second annealed copper wire of the embodiment of the magnetic latching relay of the present invention.

Fig. 6 is a schematic view of an installation structure of a moving contact structure and a stationary contact structure according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a stationary contact structure according to an embodiment of the present invention.

The following are the numerical descriptions in the drawings of the specification:

the magnetic circuit structure comprises an outer shell 1, a base 11, an upper cover 12, a positioning plate a, a magnetic circuit structure 2, a coil frame 21, a coil 22, a yoke 23, a push piece 3, a magnetic package insulator 24, two limit blocks 241, an armature deflector rod 25, a movable contact structure 4, a movable piece assembly 41, a connecting piece 41, a movable piece module 42, a large arch piece b1, a small arch piece b2, a reed b3, a movable contact b4, a fixed contact structure 5, a fixed piece 51, a fixed piece main body c1, a protruding welding piece c2, a protruding clamping piece c3, a fixed piece contact 52, a first mounting piece 6, a first soft copper wire 7, a second mounting piece 8 and a second soft copper wire 9.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 7, a magnetic latching relay according to an embodiment of the present invention includes: the device comprises an outer shell 1, a positioning plate a, a magnetic circuit structure 2, a push piece 3, a movable contact structure 4, a fixed contact structure 5, a first mounting plate 6, a first annealed copper wire 7, a second mounting plate 8 and a second annealed copper wire 9, wherein the positioning plate a is arranged in the outer shell 1, the magnetic circuit structure 2 is arranged in the outer shell 1 and is arranged on one side surface of the positioning plate a, the push piece 3 is arranged in the outer shell 1, is clamped into the positioning plate a and can move perpendicular to the positioning plate a, the movable contact structure 4 and the fixed contact structure 5 are both arranged in the outer shell 1 and are arranged on the other side surface of the positioning plate a, the movable contact structure 4 and the fixed contact structure 5 realize disconnection or closing according to the pushing of the push piece 3, the first mounting plate 6 and the first annealed copper wire 7 are welded on the movable contact structure 4, the second mounting piece 8 and the second annealed copper wire 9 are welded to the stationary contact structure 5. When the magnetic latching relay is driven by 2 times of rated voltage, the action time of the magnetic latching relay is less than or equal to 5.5mS, and the rebound time of the magnetic latching relay is less than or equal to 0.2 mS.

In some embodiments, the outer casing 1 includes a base 11, and an upper cover 12 disposed on the base 11. The positioning plate a is arranged on the substrate 11, and the clamping positions are arranged on two sides of the substrate 11.

In an embodiment of the present invention, the magnetic circuit structure 2 includes: the coil frame 21 is fixedly arranged in the outer shell 1, the coil 22 is wound on the coil frame 21, the yoke 23 is fixedly arranged on the coil frame 21 and extends from two ends of the coil frame 21 to the push piece 3, the yoke 23 is used as a magnetic package insulator 24 which swings left and right, two limit blocks 241 are respectively arranged at the upper end and the lower end of the magnetic package insulator 24, the yoke 23 extends to the position between the two limit blocks 241 at the same end, and an armature deflector rod 25 is arranged at one side of the magnetic package insulator 24.

In order to realize the closing and the opening of the movable contact structure 4 and the fixed contact structure 5, a clamping groove used for being clamped with the armature structure 2 is arranged on the push sheet 3, and a reed clamping groove is formed in the front part of the push sheet 3. Specifically, the armature shift lever 25 is engaged with the engaging groove.

The moving contact structure 4 includes: set firmly in connection piece 41 on the shell body 1, and one end with connection piece 41 rivets, the other end with the rotor module 42 that the release jack 3 block is connected, rotor module 42 includes: a large bow piece b1, a small bow piece b2 and a reed b3, one ends of which are riveted with the connecting piece 41, and a movable contact b4, which is riveted with the cantilever ends of the large bow piece b1, the small bow piece b2 and the reed b3, wherein a gap is reserved between the cantilever end of the large bow piece b1 and the cantilever end of the small bow piece b 2. Further, one end of the first annealed copper wire 7 is welded to the connecting piece 41, and the first mounting piece 6 is welded to the other end of the first annealed copper wire 7.

The stationary contact structure 5 includes: a stator 51 engaged with the housing 1, and a stator contact 52 fixed to the stator 51. The stator 51 includes: the static piece main body c1, and the protruding welding piece c2 and the protruding fastener c3 that are established at the same end of static piece main body c1 with interval ground, the width of protruding welding piece c2 is greater than the width of protruding fastener c1, a vertex angle of static piece main body c1 sets up to the chamfer, static piece main body c1 is square structure, static piece contact 52 sets up on static piece main body c 1. Further, one end of the second annealed copper wire 9 is welded to the protruding welding piece c2, and the second mounting piece 8 is welded to the other end of the second annealed copper wire 9. The structure of the stator 51 can play a better recoil role in the use process, so that the magnetic latching relay of the embodiment has the characteristics that the action time is less than or equal to 5.5mS and the rebound time is less than or equal to 0.2mS when the magnetic latching relay is driven at 2 times of rated voltage.

Furthermore, the movable contact structure 4 and the fixed contact structure 5 are respectively arranged at two corresponding clamping positions on two sides of the base, the upper cover 12 is used for sealing, the large bow piece b1, the small bow piece b2 and the reed b3 are riveted on the connecting piece 411 for shunting, and the part of the reed b3 is clamped into the corresponding reed clamping groove of the push piece 3, so that a structure body with the contacts driven to be disconnected or closed by electromagnetic force is formed.

The utility model discloses the theory of operation of magnetic latching relay embodiment does: when the coil 22 is energized, the coil 22 generates a magnetic field, and due to the principle that like poles repel and opposite poles attract, the magnetic field generated by the coil 22 and the magnetic field of the armature inside the magnet-wrapped insulator 24 repel or attract each other, so that the magnet-wrapped insulator 24 generates a position change, the push plate 3 is driven to move, and the movable contact b4 of the movable plate assembly 41 is disconnected or closed with the electrostatic contact 52.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A magnetic latching relay comprising: be provided with the shell body of locating plate, set firmly in the shell body, and set up with the magnetic circuit structure of locating plate a side, set up in the shell body, card are gone into locating plate and perpendicular to the push jack of locating plate activity, and set up in the shell body, and set up in locating plate another side, according to the promotion of push jack realizes disconnection or closed movable contact structure and stationary contact structure, the stationary contact structure includes: the static sheet is clamped in the outer shell, and the static sheet contact is fixedly arranged on the static sheet; it is characterized by also comprising: the first mounting piece and the first soft copper wire are welded on the movable contact structure, and the second mounting piece and the second soft copper wire are welded on the fixed contact structure; the still includes: the static sheet main part, and have interval ground protruding establish the same end of static sheet main part protruding welding piece and protruding fastener.

2. The magnetic latching relay of claim 1 wherein the width of said projecting weld tab is greater than the width of said projecting snap.

3. The magnetic latching relay according to claim 1, wherein a top corner of said stator body is provided as a chamfer.

4. A magnetic latching relay according to any one of claims 1 to 3 wherein said stator body is of a square configuration and said stator contacts are provided on said stator body.

5. The magnetic latching relay according to claim 1 or 2, wherein one end of said second annealed copper wire is welded to said projecting weld tab, and said second mounting tab is welded to the other end of said second annealed copper wire.

6. The magnetic latching relay of claim 1 wherein the movable contact structure comprises: the connecting piece is fixedly arranged on the shell body, and the moving plate module is riveted with the connecting piece at one end and connected with the push plate at the other end in a clamping manner.

7. The magnetic latching relay of claim 6, wherein the moving plate module comprises: one end of the large bow piece is riveted with the connecting piece, the small bow piece is riveted with the reed, the movable contact is riveted with the cantilever end of the large bow piece, the small bow piece and the reed, and a gap is reserved between the cantilever end of the large bow piece and the cantilever end of the small bow piece.

8. The magnetic latching relay of claim 1, wherein the magnetic circuit structure comprises: the coil frame is fixedly arranged in the outer shell, the coil is wound on the coil frame, the yoke iron is fixedly arranged on the coil frame and extends from two ends of the coil frame to the push sheet, and the magnetic packet insulator swings left and right by taking the yoke iron as an axis.

9. The magnetic latching relay according to claim 8, wherein said magnetic insulating body is provided at upper and lower ends thereof with two stoppers, respectively, said yoke extends between said stoppers at the same end, and an armature rod is provided at one side of said magnetic insulating body.

10. The magnetic latching relay according to claim 1, wherein the magnetic latching relay has an action time of 5.5mS or less and a bounce time of 0.2mS or less when the latching relay is driven at 2 times the rated voltage.