CN215183740U - High-efficient smart electric meter relay - Google Patents

Abstract

The utility model belongs to the technical field of relays, in particular to a high-efficiency intelligent ammeter relay, which comprises a shell, a first conducting strip, a second conducting strip, an electromagnetic driving component and a spring plate component, wherein the shell comprises a bottom box and an upper cover, the bottom surface of the upper cover is provided with a plurality of positioning columns, the surface of the bottom box is provided with positioning holes corresponding to the positioning columns, the top of the bottom box is provided with a sealing positioning bulge, when the upper cover is arranged at the top of the bottom box, the positioning columns are inserted into the positioning holes, the positioning bulges are attached to the inner side surface of the upper cover, the electromagnetic driving component drives the spring plate component to deform when being electrified, the first contact is normally opened with the second conducting strip, when the electromagnetic driving component is powered off, the first contact is normally closed with the second conducting strip, the positioning holes on the surface of the bottom box are arranged to realize the positioning of the upper cover and the bottom box through the positioning bulges, the close fit of the upper cover and the bottom box is realized through the positioning bulges, make the relay structure compacter, simplify the relay structure, make things convenient for the dismouting and the maintenance of relay.

Description

High-efficient smart electric meter relay

Technical Field

The utility model belongs to the technical field of the relay, especially, relate to a high-efficient smart electric meter relay.

Background

An electromagnetic relay is an automatic switch which uses a smaller current and a lower voltage to control a larger current and a higher voltage. The switching function is realized by means of the electromagnet arranged in the switch, small current is introduced into a coil of the electromagnet, so that the electromagnet generates a magnetic field, the armature is attracted or loosened by utilizing the generation or disappearance of the magnetic field, and then the attraction or disconnection between the conductive elastic sheets is driven, and the conduction of a large-current loop is realized. Electromagnets are important components of electromagnetic relays.

However, as the switching state of the increasingly miniaturized electromagnetic relay of the electrical equipment is triggered by the pulse electrical signal with a certain width, most of the conventional electromagnetic relays are complex in structure and inconvenient to disassemble and assemble, the production and maintenance cost is increased, the failure probability of the electromagnetic relay during operation is increased, the requirements of the current market cannot be met, and the practicability and usability of the magnetic latching relay are reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient smart electric meter relay, the structure that aims at solving the ammeter relay among the prior art is complicated, the higher technical problem of cost of maintenance.

In order to achieve the above object, an embodiment of the present invention provides a high-efficiency smart meter relay, which comprises a housing, a first conductive sheet, a second conductive sheet, an electromagnetic driving assembly and a spring sheet assembly, wherein the housing comprises a bottom case and an upper cover, the bottom surface of the upper cover is provided with a plurality of positioning columns, the surface of the bottom case is provided with positioning holes corresponding to the positioning columns, the top of the bottom case is provided with a sealing and positioning protrusion, when the upper cover is arranged on the top of the bottom case, the positioning columns are inserted into the positioning holes, the positioning protrusions are attached to the inner side surface of the upper cover, the bottom case is provided with an electromagnetic mounting groove and a spring sheet groove, the spring sheet assembly is arranged in the spring sheet groove, one end of the first conductive sheet is fixedly connected with the spring sheet assembly, and the other end of the first conductive sheet extends to the outside of the bottom case, the electromagnetic driving assembly is fixed in the electromagnetic mounting groove and used for controlling the deformation of the elastic sheet assembly, so that the first contact is in contact with or disconnected from the second conductive sheet.

Optionally, the first conducting strip includes a fixed end and a first electrifying end, a first slot is arranged on the side wall of the bottom box, the first slot is communicated with the elastic sheet groove, the fixed end is inserted into the first slot and is fixedly connected with the elastic sheet assembly, the first electrifying end extends to the outside of the shell, a limiting convex point is arranged on the fixed end, a limiting groove is arranged on the side wall of the first slot, and the limiting convex point penetrates through the elastic sheet assembly and extends into the limiting groove.

Optionally, the second conductive plate includes a contact end and a second conduction end, a second slot is disposed at the top of the bottom case, the second slot is communicated with the elastic sheet slot, the contact end is inserted into the second slot, the second conduction end extends to the outside of the casing, the contact end is provided with a second contact, and the second contact is disposed opposite to the first contact.

Optionally, the first power-on end and the second power-on end have the same extending direction, end portions of the first power-on end and the second power-on end are arranged in parallel, and end portions of the first power-on end and the second power-on end are provided with terminal mounting holes.

Optionally, the first power-on end includes manganese-copper alloy section and with the pure copper section that manganese-copper alloy section is connected, manganese-copper alloy section with the stiff end is connected, the first power-on end the terminal mounting hole is located on the pure copper section.

Optionally, 3 signal sampling bumps are arranged on the top surface of the manganin section.

Optionally, a buffering inclined plane is arranged on the second electrifying end, and the buffering inclined plane extends towards the bottom direction of the shell.

Optionally, the elastic sheet assembly includes an elastic driving plate, a first conductive plate and a second conductive plate, which are sequentially stacked, an end of the elastic driving plate is connected to the electromagnetic driving assembly, the first contact is fixed to the elastic driving plate, and the second conductive plate is welded to the fixed end.

Optionally, a first bending avoidance protrusion is disposed on the first conductive plate.

Optionally, a second bending-avoiding protrusion is arranged on the second conductive plate, and the protrusion height of the second bending-avoiding protrusion is greater than that of the first bending-avoiding protrusion.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the high-efficient smart electric meter relay has one of following technological effect at least: the high-efficiency intelligent ammeter relay comprises a shell, a first conducting strip, a second conducting strip, an electromagnetic driving assembly and a spring plate assembly, wherein the shell comprises a bottom box and an upper cover, the bottom surface of the upper cover is provided with a plurality of positioning columns, the surface of the bottom box is provided with positioning holes corresponding to the positioning columns, the top of the bottom box is provided with a sealing positioning bulge, when the upper cover is arranged at the top of the bottom box, the positioning columns are inserted into the positioning holes, the positioning bulges are attached to the inner side surface of the upper cover, an electromagnetic mounting groove and a spring plate groove are formed in the bottom box so as to facilitate the installation of the spring plate assembly and the electromagnetic driving assembly, one end of the first conducting strip is fixedly connected with the spring plate assembly, the other end of the first conducting strip extends to the outside of the bottom box, a first contact is fixedly arranged on the spring plate assembly, and the second conducting strip is fixed on the bottom box and is arranged opposite to the first contact; the ammeter connects on first conducting strip and second conducting strip, drive shell fragment subassembly deformation when electromagnetic drive subassembly circular telegram, first contact is normally opened with the second conducting strip, when electromagnetic drive subassembly cuts off the power supply, first contact and second conducting strip normal close, realize the control of relay to the ammeter, bottom surface reference column through the upper cover, the location of upper cover and end box is realized in setting up of the surperficial locating hole of end box, through protruding inseparable cooperation of realizing upper cover and end box in location, make the relay structure compacter, simplify the relay structure, make things convenient for the dismouting and the maintenance of relay.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is the embodiment of the utility model provides a high-efficient smart electric meter relay's schematic structure diagram.

Fig. 2 is the embodiment of the utility model provides a high-efficient smart electric meter relay hides the structural schematic diagram of upper cover.

Fig. 3 is the embodiment of the utility model provides a structural schematic of end box of high-efficient smart electric meter relay.

Fig. 4 is the embodiment of the utility model provides a high-efficient smart electric meter relay's electromagnetic drive assembly's schematic structure.

Fig. 5 is a schematic structural diagram of the first conductive sheet and the elastic component of the high-efficiency smart meter relay provided by the embodiment of the present invention.

Fig. 6 is the embodiment of the utility model provides a structural schematic of high-efficient smart electric meter relay's transmission piece.

Wherein, in the figures, the respective reference numerals:

10-shell 11-bottom box 12-upper cover

13-positioning hole 14-sealing positioning bulge 15-electromagnetic mounting groove

16-elastic sheet groove 17-first slot 18-limit groove

19-second slot 20-first conducting strip 21-terminal mounting hole

22-fixed end 23-first electrifying end 30-second conducting strip

31-contact end 32-second current end 33-buffer slope

40-transmission piece 41-first connection port 42-second connection port

50-electromagnetic drive assembly 51-electromagnetic iron core 52-iron core fixing frame

53-magnetization rotor 54-wire column 60-shrapnel component

61-first contact 62-elastic drive plate 63-first conductive plate

64-second conductive plate 111-rotation limiting opening 231-manganese-copper alloy section

232-pure copper section 233-signal sampling salient point 521-coil shaft bracket

522-limiting block 523-rotating supporting plate 531-connecting strip

532 reinforcing plate 631 first bending-avoiding protrusion 641 second bending-avoiding protrusion

221, a limit salient point 112 and a transmission groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, a high-efficiency smart meter relay is provided, which includes a housing 10, a first conductive sheet 20, a transmission sheet 40, a second conductive sheet 30, an electromagnetic driving assembly 50, and a spring assembly 60, wherein the housing 10 includes a bottom case 11 and an upper cover 12, a plurality of positioning posts are disposed on a bottom surface of the upper cover 12, positioning holes 13 corresponding to the positioning posts are disposed on a surface of the bottom case 11, a sealing positioning protrusion 14 is disposed on a top portion of the bottom case 11, the positioning posts are inserted into the positioning holes 13 when the upper cover 12 is disposed on the top portion of the bottom case 11, the positioning protrusion is attached to an inner side surface of the upper cover 12, an electromagnetic mounting groove 15 and a spring groove 16 are disposed inside the bottom case 11, the electromagnetic mounting groove 15 and the spring groove 16 are disposed inside the bottom case 11, the spring assembly 60 is disposed in the spring groove 16, one end of the first conductive sheet 20 is fixedly connected with the elastic sheet assembly 60, the other end of the first conductive sheet 20 extends to the outside of the bottom case 11, a first contact 61 is fixed on the elastic sheet assembly 60, the second conductive sheet 30 is fixed on the bottom case 11 and is arranged opposite to the first contact 61, and the electromagnetic driving assembly 50 is fixed in the electromagnetic installation groove 15 and is used for controlling the deformation of the elastic sheet assembly 60, so that the first contact 61 is in contact with or disconnected from the second conductive sheet 30.

Specifically, the high-efficiency intelligent ammeter relay comprises a shell 10, a first conducting strip 20, a second conducting strip 30, an electromagnetic driving assembly 50 and a spring plate assembly 60, wherein the shell 10 comprises a bottom box 11 and an upper cover 12, a plurality of positioning columns are arranged on the bottom surface of the upper cover 12, positioning holes 13 corresponding to the positioning columns are arranged on the surface of the bottom box 11, a sealing positioning bulge 14 is arranged at the top of the bottom box 11, when the upper cover 12 is arranged at the top of the bottom box 11 in a covering manner, the positioning column is inserted into the positioning hole 13, the positioning bulge is attached to the inner side surface of the upper cover 12, the bottom box 11 is internally provided with an electromagnetic mounting groove 15 and a spring plate groove 16, so as to facilitate the installation of the elastic sheet assembly 60 and the electromagnetic driving assembly 50, one end of the first conductive sheet 20 is fixedly connected with the elastic sheet assembly 60, the other end of the first conductive sheet 20 extends to the outside of the bottom box 11, a first contact 61 is fixed on the elastic sheet assembly 60, and the second conductive sheet 30 is fixed on the bottom box 11 and is arranged opposite to the first contact 61; the ammeter connects on first conducting strip 20 and second conducting strip 30, drive elastic sheet subassembly 60 deformation when electromagnetic drive subassembly 50 circular telegram, first contact 61 is normally opened with second conducting strip 30, when electromagnetic drive subassembly 50 outage, first contact 61 is normally closed with second conducting strip 30, realize the control of relay to the ammeter, bottom surface reference column through upper cover 12, the location of upper cover 12 and end box 11 is realized in setting up of the surperficial locating hole 13 of end box 11, through the protruding inseparable cooperation that realizes upper cover 12 and end box 11 in location, make the relay structure compacter, simplify the relay structure, make things convenient for the dismouting and the maintenance of relay.

In another embodiment of the present invention, the first conductive plate 20 includes a fixed end 22 and a first power-on end 23, a first slot 17 is provided on the side wall of the bottom case 11, the first slot 17 communicates with the elastic sheet slot 16, the fixed end 22 is inserted into the first slot 17 and is fixedly connected to the elastic sheet assembly 60, the first power-on end 23 extends to the outside of the bottom case, a limit protrusion 221 is provided on the fixed end 22, a limit groove 18 is provided on the side wall of the first slot 17, and the limit protrusion 221 passes through the elastic sheet assembly 60 and extends to the inside of the limit groove 18.

Specifically, the limit protrusions 221 and the limit grooves 18 can fix and limit the fixed end 22, so as to improve the stability of the first conductive sheet 20 when being fixed to the bottom case 11.

In another embodiment of the present invention, the second conductive sheet 30 includes a contact terminal 31 and a second conduction terminal 32, the top of the bottom case 11 is provided with a second slot 19, the second slot 19 communicates with the sheet slot 16, the contact terminal 31 is inserted into the second slot 19, the second conduction terminal 32 extends to the outside of the bottom case, the contact terminal 31 is provided with a second contact, and the second contact is opposite to the first contact 61. Specifically, the second slot 19 may facilitate the fixing of the second conductive plate 30 to the bottom case 11, and the second contact may facilitate the contact between the second conductive plate 30 and the elastic member 60.

In another embodiment of the present invention, the extending direction of the first conducting terminal 23 and the second conducting terminal 32 is the same, the first conducting terminal 23 and the end portion of the second conducting terminal 32 are arranged in parallel, and the end portions of the first conducting terminal 23 and the second conducting terminal 32 are all provided with the terminal mounting hole 21. Specifically, the connection of the first conductive sheet 20 and the second conductive sheet 30 to the execution circuit can be facilitated by this arrangement.

In another embodiment of the present invention, the first power-on terminal 23 includes a manganin section 231 and a pure copper section 232 connected to the manganin section 231, the manganin section 231 is connected to the fixing terminal 22, and the terminal mounting hole 21 of the first power-on terminal 23 is located on the pure copper section 232. In particular, the montelukast alloy segments are used to pass shunt signals to the execution circuits in order to control the execution circuits.

In another embodiment of the present invention, 3 signal sampling bumps 233 are disposed on the top surface of the manganin segment 231. In particular, the signal sampling bumps 233 can facilitate sampling of the split signals.

In another embodiment of the present invention, a buffering inclined plane 33 is disposed on the second current-carrying end 32, and the buffering inclined plane 33 extends toward the bottom of the bottom case. Specifically, the buffer slopes 33 can facilitate the fixation of the terminals on the second conductive plate 30 while achieving that the terminal mounting holes 21 of the first conductive plate 20 and the second conductive plate 30 are kept in the agreed plane.

In another embodiment of the present invention, the elastic sheet assembly 60 includes an elastic driving plate 62, a first conductive plate 63 and a second conductive plate 64 stacked in sequence, the end of the elastic driving plate 62 is connected to the electromagnetic driving assembly 50, the first contact 61 is fixed on the elastic driving plate 62, and the second conductive plate 64 is welded on the fixed end 22. Specifically, the elastic driving plate 62 can facilitate the deformation of the elastic sheet assembly 60, and facilitate the driving of the electromagnetic driving assembly 50.

In another embodiment of the present invention, the first conductive plate 63 is provided with a first bending prevention protrusion 631. Specifically, the first bending prevention protrusion 631 may facilitate deformation of the first conductive plate 63.

In another embodiment of the present invention, a second bending-avoiding protrusion 641 is disposed on the second conductive plate 64, and the protrusion height of the second bending-avoiding protrusion 641 is greater than the protrusion height of the first bending-avoiding protrusion 631. Specifically, the second bending-avoiding protrusion 641 may facilitate deformation of the second conductive plate 64.

In another embodiment of the present invention, the electromagnetic driving assembly 50 includes an electromagnetic core 51, an iron core fixing frame 52 and a magnetizing rotor 53, the iron core fixing frame 52 is fixed in the electromagnetic installation groove 15, the electromagnetic core 51 is fixed in on the iron core fixing frame 52, the magnetizing rotor 53 is rotatably connected to the iron core fixing frame 52 and is located on one side of the electromagnetic core 51, both ends of the magnetizing rotor 53 are respectively located on one side of both ends of the electromagnetic core 51, the driving plate 40 is disposed in the inside of the casing 10, the spring plate assembly 60 is located in the spring plate groove 16, both ends of the driving plate 40 and the spring plate assembly 60 and the magnetizing rotor 53 are connected.

Specifically, when electromagnetic core 51 circular telegram, electromagnetic core 51 produces magnetism, and magnetize to magnetization rotor 53, make magnetization rotor 53 rotate, it removes to drive transmission piece 40 when magnetization rotor 53 rotates, drive shell fragment subassembly 60 deformation when transmission piece 40 removes, shell fragment subassembly 60 and execution circuit separation, finally realize the control to execution circuit, can strengthen the drive power to shell fragment subassembly 60 through magnetization rotor 53's setting, only need can control magnetization rotor 53's rotation direction through the electric current direction of control flow through electromagnetic core 51, magnetization rotor 53 rotates with the direction of difference, can realize shell fragment subassembly 60 and execution circuit's normally opening or normally closed, in order to further promote the cohesion of shell fragment subassembly 60 and execution circuit contact, promote the stability of relay.

In another embodiment of the present invention, the electromagnetic driving assembly 50 further includes two wire pillars 54, one end of each of the two wire pillars 54 is fixed to the iron core fixing frame 52, and the other end of each of the wire pillars 54 extends to the outside of the housing 10. In particular, the two wire posts 54 may facilitate access to external wires as well as facilitate winding of the coil.

In another embodiment of the present invention, a transmission groove 112 is further disposed inside the housing 10, and the transmission strap 40 is slidably connected inside the transmission groove 112. Specifically, the drive slot 112 may provide for ease of installation and sliding of the drive strap 40.

In another embodiment of the present invention, the two ends of the driving strap 40 are respectively provided with a first connecting port 41 and a second connecting port 42, the magnetizing rotator 53 is provided with a connecting strip 531 near one side of the first connecting port 41, the connecting strip 531 passes through the first connecting port 41, and the elastic component 60 passes through the second connecting port 42. Specifically, the connection between the driving strap 40 and the magnetizing rotator 53 and the spring assembly 60 can be achieved through the above structure.

In another embodiment of the present invention, a rotation limiting opening 111 is formed on the surface of the housing, and the connecting strip 531 extends from the rotation limiting opening 111 to the outside of the housing 10. Specifically, the rotation limiting opening 111 can limit the rotation of the magnetizing rotator 53, and can facilitate the shifting of the magnetizing rotator 53.

In another embodiment of the present invention, a reinforcing plate 532 is disposed between the connecting bar 531 and the magnetizing rotor 53. Specifically, a reinforcing plate 532 is provided to enhance the connection between the connecting bar 531 and the magnetizing rotator 53.

In another embodiment of the present invention, the iron core fixing frame 52 includes a coil bobbin bracket 521 and two stoppers 522, the coil bobbin bracket 521 is fixed in the electromagnetic installation groove 15, the electromagnetic iron core 51 is wound on the coil bobbin, two the stoppers 522 are fixed in respectively the two ends of the coil bobbin bracket 521, the two ends of the magnetization rotating body 53 are provided with the rotation limiting grooves, and the ends of the stoppers 522 extend to the rotation limiting grooves. Specifically, the rotation of the magnetizing rotator 53 may be restricted by the rotation of the rotation restricting groove and the stopper 522.

In another embodiment of the present invention, the iron core fixing frame 52 further includes two rotation supporting plates 523, two the rotation supporting plates 523 are respectively located on the upper and lower sides of the stopper 522 and connected to the stopper 522, the magnetization rotating body 53 is located two the rotation supporting plates 523 are connected to each other in a rotating manner, and the rotation supporting plates 523 are connected to each other in a rotating manner. Specifically, the rotation support plate 523 may facilitate the rotational coupling of the magnetizing rotator 53 with the core holder 52 and reinforce the structure of the core holder 52.

In another embodiment of the present invention, a support bar is disposed between the two rotating support plates 523. In particular, the support bars may reinforce the structure between the rotation support plates 523.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a high-efficient smart electric meter relay which characterized in that: the electromagnetic driving device comprises a shell, a first conducting strip, a second conducting strip, an electromagnetic driving assembly and a spring plate assembly, wherein the shell comprises a bottom box and an upper cover, a plurality of positioning columns are arranged on the bottom surface of the upper cover, positioning holes corresponding to the positioning columns are formed in the surface of the bottom box, a sealing positioning bulge is arranged at the top of the bottom box, when the upper cover is arranged at the top of the bottom box, the positioning columns are inserted into the positioning holes, the positioning bulges are attached to the inner side surface of the upper cover, an electromagnetic mounting groove and a spring plate groove are formed in the bottom box, the spring plate assembly is mounted in the spring plate groove, one end of the first conducting strip is fixedly connected with the spring plate assembly, the other end of the first conducting strip extends to the outside of the bottom box, a first contact is fixedly arranged on the spring plate assembly, the second conducting strip is fixed on the bottom box and is arranged opposite to the first contact, the electromagnetic driving assembly is fixed in the electromagnetic mounting groove and used for controlling the elastic sheet assembly to deform so as to enable the first contact to be in contact with or disconnected from the second conducting sheet.

2. The high efficiency smart meter relay of claim 1, wherein: the first conducting strip comprises a fixed end and a first electrifying end, a first slot is formed in the side wall of the bottom box and communicated with the elastic sheet groove, the fixed end is inserted into the first slot and fixedly connected with the elastic sheet assembly, the first electrifying end extends to the outside of the shell, a limiting bump is arranged on the fixed end, a limiting groove is formed in the side wall of the first slot, and the limiting bump penetrates through the elastic sheet assembly and extends into the limiting groove.

3. The high efficiency smart meter relay of claim 2, wherein: the second conducting strip comprises a contact end and a second electrifying end, a second slot is formed in the top of the bottom box and communicated with the elastic sheet slot, the contact end is inserted into the second slot, the second electrifying end extends to the outside of the shell, a second contact is arranged at the contact end, and the second contact and the first contact are arranged oppositely.

4. A high efficiency smart meter relay as claimed in claim 3, wherein: the first power-on end and the second power-on end extend in the same direction, the end portions of the first power-on end and the second power-on end are arranged in parallel, and terminal mounting holes are formed in the end portions of the first power-on end and the second power-on end.

5. The high efficiency smart meter relay of claim 4, wherein: first circular telegram end include manganese copper alloy section and with the pure copper section that manganese copper alloy section is connected, manganese copper alloy section with the stiff end is connected, first circular telegram end the terminal mounting hole is located on the pure copper section.

6. The high efficiency smart meter relay of claim 5, wherein: and 3 signal sampling salient points are arranged on the top surface of the manganin alloy section.

7. A high efficiency smart meter relay as claimed in claim 3, wherein: the second electrifying end is provided with a buffering inclined plane, and the buffering inclined plane extends towards the bottom direction of the shell.

8. The high efficiency smart meter relay of claim 2, wherein: the elastic sheet assembly comprises an elastic driving plate, a first conductive plate and a second conductive plate which are sequentially overlapped, the end part of the elastic driving plate is connected with the electromagnetic driving assembly, the first contact is fixed on the elastic driving plate, and the second conductive plate is welded on the fixed end.

9. The high efficiency smart meter relay of claim 8, wherein: the first conducting plate is provided with a first bending-avoiding bulge.

10. The high efficiency smart meter relay of claim 9, wherein: and a second bending-avoiding bulge is arranged on the second conductive plate, and the height of the second bending-avoiding bulge is greater than that of the first bending-avoiding bulge.

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