CN112201541A - Magnetic latching double-group double-load relay - Google Patents

Abstract

The invention discloses the technical field of relays, in particular to a magnetic latching double-group double-load relay, which comprises: separate into the relay base of two accommodation spaces with the inner space through the division board, set up one magnetic circuit structure in the accommodation space, the card is established division board one side, and set up two sets of in the accommodation space, by the magnetic circuit structure drive, court division board top horizontal movement's promotion card promotes the card and closes simultaneously or two sets of contact subassemblies of upper and lower switch two load end loop states, each all be equipped with signal sampling and PCB picture peg location stitch on the contact subassembly. The invention is convenient to install in the guide rail type electric energy meter shell, and has the characteristics of high reliability, small occupied space, lower production cost and the like.

Description

Magnetic latching double-group double-load relay

Technical Field

The invention relates to the technical field of relays, in particular to a magnetic latching double-group double-load 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 existing magnetic latching biphase relay has the defects of larger structural volume, inconvenient installation and higher production cost.

Disclosure of Invention

The invention mainly aims to provide a magnetic latching double-group double-load relay which is convenient to install in a guide rail type electric energy meter shell and has the characteristics of high reliability, small occupied space, lower production cost and the like.

In order to achieve the purpose, the invention adopts the technical scheme that:

a magnetically held two-set dual load relay comprising: through the relay base that the division board becomes two accommodation spaces with the inner space separation, set up one magnetic structure in the accommodation space, the card is established division board one side, and set up two in the accommodation space, by magnetic structure drive, court division board vertical direction up-and-down motion's promotion card still includes: the upper structure and the lower structure are arranged in the other accommodating space, and the two groups of contact assemblies are simultaneously closed or opened according to the pushing of the pushing card so as to switch the loop states of the two load ends, and each contact assembly is provided with a signal sampling pin and a PCB plug board positioning pin.

Preferably, each set of the contact assemblies comprises: the moving plate assembly can be movably arranged on the other accommodating space up and down, and the static plate assembly is arranged in the other accommodating space and below the moving plate assembly.

Preferably, the rotor assembly includes: the relay comprises a connecting piece fixedly arranged on the relay base and a moving piece structure with one end riveted with the connecting piece.

Preferably, the rotor structure includes: the large bow piece, the small bow piece, the reed and the movable contact; one end of the big bow piece, the small bow piece and the reed is riveted with one end of the connecting piece, and the cantilever end of the big bow piece, the small bow piece and the reed is riveted by the movable contact.

Preferably, the cantilever end of the reed is inserted into the front slot of the push card, the cantilever end of the reed abuts against the front wall of the front slot of the push card, and the cantilever end of the large bow piece abuts against the rear wall of the front slot of the push card.

Preferably, a gap is left between the cantilever end of the large bow piece and the cantilever end of the small bow piece.

Preferably, a first lacking block is concavely arranged at one end of the pushing card connected with the magnetic circuit structure, and a clamping groove structure is arranged at the other end of the pushing card.

Preferably, the magnetic circuit structure includes: the relay comprises a clamp plate fixedly arranged in the relay base, an armature component arranged on the clamp plate, a coil rack fixedly arranged in the relay base, and a yoke arranged on one side of the coil rack close to the armature component.

Preferably, the armature assembly comprises: the magnetic steel is convexly arranged at the upper end and the lower end of the magnetic steel, limiting plates are respectively arranged at the left end and the right end of the magnetic steel, and a shifting lever is arranged on one side of the magnetic steel and extends into the pushing card.

Preferably, one end of each yoke is fixedly arranged on the coil rack, the other end of each yoke is suspended between the two limiting plates, and each yoke is in an L shape.

According to the magnetic latching double-group double-load relay, the two groups of contact assemblies are arranged in an up-and-down structure mode, the magnetic circuit structure drives the pushing card to push the two contact assemblies to be closed or closed at the same time, the function of the double-load double-relay is achieved, meanwhile, the size of the magnetic latching double-group double-load relay is smaller in space, the magnetic latching double-load relay is convenient to install, and the production cost is saved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a magnetic latching double-group double-load relay according to the present invention.

Fig. 2 is an exploded view of the structure of fig. 1.

Fig. 3 is a schematic structural diagram of a push card according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a base according to an embodiment of the invention.

Fig. 5 is a schematic structural view illustrating the opening of the upper cover and the clamping plate according to an embodiment of the present invention.

Fig. 6 is a schematic view of a connection structure of a magnetic circuit structure and a push card and contact assembly according to an embodiment of the invention.

FIG. 7 is a schematic view of a connection structure of the moving plate assembly and the push card according to an embodiment of the present invention.

The following are the reference signs:

the relay comprises a relay base 1, a base 11, a bottom cover 12, an upper cover 13, a partition plate a, a second partition plate a2, a magnetic circuit structure 2, a clamping plate 21, an armature component 22, magnetic steel 221, a limiting plate 222, a deflector rod 223, a coil rack 23, a yoke 24, a pushing card 3, a first segment 31, a clamping groove structure 32, a front clamping groove 32a, a middle clamping groove 32b, a contact component 4, a moving piece assembly 41, a static piece assembly 42, a connecting piece 4a, a moving piece structure 4b, a large bow piece 4b1, a small bow piece 4b2, a reed 4b3 and a moving contact 4b 4.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1 to 7, the magnetic latching dual-set dual-load relay of the present embodiment includes: separate into two accommodation spaces's relay base 1 with the inner space through division board a, set up one magnetic structure 2 in the accommodation space, the card is established division board a one side, and set up in two in the accommodation space, by magnetic structure 2 drive, court division board a vertical direction up-and-down motion's promotion card 3, upper and lower structural installation, set up in another in the accommodation space, and by according to the promotion of propelling card 3 is closed simultaneously or is opened two sets of contact subassembly 4 in order to switch two load end loop states, each contact subassembly 4 is last all to be equipped with signal sampling and PCB picture peg location stitch.

In some embodiments, please refer to fig. 2, the relay base 1 includes: the base 11, cover and set up in bottom cover 12 of the bottom surface of the said base 11, and cover 13 on the top surface of the said base 11. Specifically, the partition a is arranged in the base 1, a second partition a2 is arranged in one of the accommodating spaces, the magnetic circuit structure 2 and the structure driver 3 are arranged on the left side of the second partition a2, and the push card 3 is arranged on the right side of the second partition a 2.

The magnetic circuit structure 2 includes: a clamp plate 21 fixed on the upper part in the relay base 1, an armature component 22 arranged on the clamp plate 21, a coil rack 23 fixed in the relay base 1, and a yoke 24 arranged on one side of the coil rack 23 closer to the armature component 22. Specifically, the armature assembly 22 includes: magnetic steel 221, protruding establish the upper and lower both ends of magnetic steel 221, and set up respectively limiting plate 222 on the left and right both ends of magnetic steel 221, and set up and be in magnetic steel 221 one side, extend into push away the driving lever 223 of card 3, the outer end of driving lever 223 includes the bulb. More specifically, one end of each yoke 24 is fixed on the coil rack 23, and the other end is suspended between the two limiting plates 222, and each yoke 24 is L-shaped. The coil bobbin 23 is provided with a coil (not shown). Further, the magnetic steel 221 moves according to the magnetic field force, and in the moving process, the structure of the limit plate 222 and the yoke 24 limits the magnetic steel 221 to move back and forth within a certain range, so as to drive the push card 3 to move back and forth within a certain stroke, thereby simultaneously controlling the two sets of contact assemblies 4 to be closed or opened simultaneously.

In some embodiments, a first notch 31 is recessed towards a direction opposite to the magnetic structure 2 on a surface of the push card 3, which is directly opposite to the magnetic structure 2, at one end connected to the magnetic structure 2, and a slot structure 32 is disposed on the other end of the push card 3, where the slot structure 32 is composed of two front slots 32a and a middle slot 32b separated by two vertical baffles. Specifically, the front card slot 32a is U-shaped.

In some embodiments, each set of the contact assemblies 4 includes: a moving plate assembly 41 disposed in the other accommodating space and capable of moving up and down, and a stationary plate assembly 42 disposed in the other accommodating space and below the moving plate assembly 41. Specifically, the rotor assembly 41 includes: set firmly connection piece 4a on the relay base 1, and one end with connection piece 4a riveted moving plate structure 4b, moving plate structure 4b includes: a large bow piece 4b1, a small bow piece 4b2, a reed 4b3 and a movable contact 4b 4; one end of the large bow piece 4b1, one end of the small bow piece 4b2 and one end of the spring piece 4b3 are riveted with one end of the connecting piece 4a, and the cantilever end of the large bow piece 4b1, the small bow piece 4b2 and the spring piece 4b3 are riveted by the movable contact point 4b 4. Specifically, the cantilever end of the spring 4b3 is inserted into the front slot 31 of the push card 3, the cantilever end of the spring 4b3 abuts against the front wall of the front slot 32a of the push card 3, and the cantilever end of the large bow 4b1 abuts against the rear wall of the front slot 32a of the push card 3. More specifically, a gap is left between the cantilever end of the large bow piece 4b1 and the cantilever end of the small bow piece 4b 2. Further, the moving blade assemblies 41 are disposed on the fixed blade assemblies 42 in a one-to-one correspondence, the moving contact on each moving blade assembly 41 faces the fixed contact of each fixed blade assembly 42, and the moving contacts are simultaneously closed or opened with the fixed contacts.

In the embodiment of the invention, two groups of contact assemblies 4 are separately arranged at two corresponding clamping positions on two sides of the base 11, plastic package is performed through the upper cover 13 and the bottom cover 12, the large bow piece 4b1, the small bow piece 4b2 and the reed 4b3 are riveted on the connecting piece 4a to play a shunting role, and the reed 4b3 is respectively clamped into a corresponding clamping groove of the push card 3 to form a structure body for driving the contact to be disconnected or closed by electromagnetic force. When excitation is applied to the coil, the coil generates a magnetic field, and due to the principle that like poles repel each other and opposite poles attract each other, the magnetic field generated by the coil and the magnetic field of the armature in the magnetic steel 221 repel each other or attract each other, so that the armature generates position change, the push card 3 is driven to move, and the two groups of contacts are opened or closed. Therefore, the function of the product of the double-group and double-load relay with double-layer load and magnetic latching is realized. The two sets of contact assemblies 4 of the magnetic latching double-group double-load relay of the product can bear the same load, and are switched on and off simultaneously and do not influence each other. The guide rail type electric energy meter has the advantages of being small in occupied space, convenient to install inside the meter shell of the guide rail type electric energy meter and good in reliability.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A magnetically held two-set dual load relay comprising: through the division board with the relay base that the inner space separated into two accommodation spaces, set up one magnetic structure in the accommodation space, the card is established division board one side, and set up two in the accommodation space, by magnetic structure drive, court division board vertical direction up-and-down motion's promotion card, its characterized in that still includes: the upper structure and the lower structure are arranged in the other accommodating space, and the two groups of contact assemblies are simultaneously closed or opened according to the pushing of the pushing card so as to switch the loop states of the two load ends, and each contact assembly is provided with a signal sampling pin and a PCB plug board positioning pin.

2. A magnetically retained dual set dual load relay according to claim 1, wherein each of said sets of contact assemblies comprises: the moving plate assembly can be movably arranged on the other accommodating space up and down, and the static plate assembly is arranged in the other accommodating space and below the moving plate assembly.

3. A magnetically held dual set dual load relay according to claim 2, wherein said moving plate assembly comprises: the relay comprises a connecting piece fixedly arranged on the relay base and a moving piece structure with one end riveted with the connecting piece.

4. A magnetically held dual set dual load relay according to claim 3, wherein said moving plate structure comprises: the large bow piece, the small bow piece, the reed and the movable contact; one end of the big bow piece, the small bow piece and the reed is riveted with one end of the connecting piece, and the cantilever end of the big bow piece, the small bow piece and the reed is riveted by the movable contact.

5. The magnetically held double set dual load relay of claim 4, wherein the cantilevered end of the spring is inserted into the front pocket of the push card, the cantilevered end of the spring abuts the front wall of the front pocket of the push card, and the cantilevered end of the large bow abuts the rear wall of the front pocket of the push card.

6. A magnetically held dual set dual load relay according to claim 4 or claim 5, wherein a gap is provided between the cantilevered end of the large blade and the cantilevered end of the small blade.

7. The magnetically latching dual set dual load relay according to claim 1, wherein said push tab has a first notch at one end thereof connected to said magnetic structure and a notch at the other end thereof.

8. A magnetically held dual set dual load relay according to claim 1, wherein said magnetic circuit structure comprises: the relay comprises a clamp plate fixedly arranged in the relay base, an armature component arranged on the clamp plate, a coil rack fixedly arranged in the relay base, and a yoke arranged on one side of the coil rack close to the armature component.

9. A magnetically held dual set dual load relay according to claim 8, wherein said armature assembly comprises: the magnetic steel is convexly arranged at the upper end and the lower end of the magnetic steel, limiting plates are respectively arranged at the left end and the right end of the magnetic steel, and a shifting lever is arranged on one side of the magnetic steel and extends into the pushing card.

10. A magnetic latching double set dual load relay as claimed in claim 9 wherein each of said yokes is fixed at one end to said bobbin and suspended at the other end between said two said position limiting plates, each of said yokes being L-shaped.

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