CN212907569U - Electric energy meter relay and electronic electric energy meter - Google Patents
Electric energy meter relay and electronic electric energy meter Download PDFInfo
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- CN212907569U CN212907569U CN202021784900.7U CN202021784900U CN212907569U CN 212907569 U CN212907569 U CN 212907569U CN 202021784900 U CN202021784900 U CN 202021784900U CN 212907569 U CN212907569 U CN 212907569U
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Abstract
The utility model discloses an electric energy meter relay and electronic type electric energy meter, the relay includes relay main part, quiet spring and draws forth the piece and move the spring and draw forth the piece, and quiet spring draws forth the piece and/or move the spring and draws forth the piece and include first hard conducting strip, the hard conducting strip of second and soft conducting strip, and first hard conducting strip part is located the relay main part, and this first hard conducting strip is located the outer part of relay main part and passes through soft conducting strip and connect the hard conducting strip of second, and first hard conducting strip and the hard conducting strip of second are connected with soft conducting strip through laser welding respectively. The utility model discloses can utilize soft conducting strip to play the regulating action, solve because the unable installation of size deviation or the problem of not good installation, improve the installation effectiveness, can also utilize soft conducting strip through the certain power of deformation release, make the power of transmitting first hard conducting strip very little or ignore to ensure that the inside functional structure of relay is intact.
Description
Technical Field
The utility model relates to an electric energy meter technical field especially relates to an electric energy meter relay and electronic type electric energy meter.
Background
The electronic electric energy meter is an electronic instrument, which samples the voltage and current supplied by the user in real time, adopts a special electric energy meter integrated circuit to process and multiply the sampled voltage and current signals to convert the signals into pulse output in direct proportion to the electric energy, and then displays the pulse output by a meter or a digital display. When the requirement of some electric energy meters on the volume is too small, the installation environment of the electric energy meters is generally compact, the position from a static spring lead-out piece and/or a dynamic spring lead-out piece (hereinafter referred to as lead-out piece, which is a hard copper piece) of a relay of the electric energy meters to an installation cable is very short, and when the lead-out pieces receive locking force or assembly force, the structure inside the relay is influenced by external force to be extremely amplified, so that the relay is directly failed, or adverse phenomena are likely to occur. Therefore, in the prior art, a soft connection wire is usually used for replacing the lead-out sheet, but the assembly efficiency of the flexible wire is low, or the lead-out sheet is replaced by a soft copper sheet, so that the copper sheet is too soft in hardness and falls off due to untightening of the lock when the cable is assembled, and serious quality hidden trouble is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem that prior art exists, provide an electric energy meter relay and electronic type electric energy meter, it can reduce the assembly atress, promote the relay performance and improve assembly size precision etc..
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an electric energy meter relay, includes relay main body, quiet spring and draws forth the piece and move the spring and draw forth the piece, and quiet spring draws forth the piece and/or move the spring and draws forth the piece and include first hard conducting strip, the hard conducting strip of second and soft conducting strip, and first hard conducting strip part is located the relay main body, and this first hard conducting strip lies in the outer part of relay main body and passes through soft conducting strip and connect the hard conducting strip of second, and first hard conducting strip and the hard conducting strip of second are connected with soft conducting strip through laser welding respectively.
Furthermore, the first hard conducting strip and the second hard conducting strip are respectively hard copper sheets, and the soft conducting strip is a soft copper sheet.
Further, the soft conductive sheet is in a soft annealed state and has a hardness of 50 to 70 HV.
Furthermore, the first hard conducting strip is L-shaped, one side of the first hard conducting strip extends into the relay main body and is provided with a static contact or is connected with a movable contact spring in the relay main body, and the other side of the first hard conducting strip is positioned outside the relay main body and extends and is connected with the soft conducting strip along the length direction of the relay main body.
Furthermore, one surface of the second hard conducting strip, which faces back to the relay main body, is provided with an anti-slip structure, and the anti-slip structure comprises a plurality of anti-slip grooves or a plurality of anti-slip convex ribs.
Furthermore, a voltage sampling pin is arranged on the part of the first hard conducting strip, which is positioned outside the relay main body.
Furthermore, the static spring leading-out piece comprises a first hard conducting strip, a second hard conducting strip and a soft conducting strip, and a static contact is arranged at the part of the first hard conducting strip, which is positioned in the relay main body; the movable spring leading-out piece comprises a third hard conductive piece, a fourth hard conductive piece and a splitter piece, the third hard conductive piece is locally positioned inside the relay main body and is connected with the movable spring in the relay main body, and the part of the third hard conductive piece, which is positioned outside the relay main body, is connected with the fourth hard conductive piece through the splitter piece.
Furthermore, the third hard conductive sheet and the fourth hard conductive sheet are respectively provided with a voltage sampling pin; the fourth hard conducting strip and the surface back to the relay main body are provided with anti-skidding structures, and each anti-skidding structure comprises a plurality of anti-skidding grooves or a plurality of anti-skidding convex ribs.
The utility model provides an electronic type electric energy meter, including the electric energy meter casing, still include as above the electric energy meter relay, the hard conducting strip of second is connected with corresponding conductive part in the electric energy meter casing.
The utility model provides an electronic type electric energy meter, including the electric energy meter casing, still include as above the utility model discloses an electric energy meter relay, the hard conducting strip of second and fourth conducting strip are connected with corresponding conductive part in the electric energy meter casing respectively.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. because the static spring lead-out sheet and/or the dynamic spring lead-out sheet comprises a first hard conducting sheet, a second hard conducting sheet and a soft conducting sheet, the part of the first hard conducting sheet positioned outside the relay main body is connected with the second hard conducting sheet through the soft conducting sheet, the utility model can improve the assembling efficiency of the electric energy meter compared with the mode of adopting soft wiring to replace the lead-out sheet, can overcome the problem that the soft copper sheet is not locked and falls off when assembling the cable compared with the mode of adopting the soft copper sheet to replace the lead-out sheet, can utilize the soft conducting sheet to play a regulating role compared with the mode of adopting the hard copper sheet as the lead-out sheet, solve the problem that the cable cannot be installed or is not installed easily due to size deviation, improve the installing efficiency, and can also utilize the soft conducting sheet to release certain force through deformation, so that the force transmitted to the first hard conducting sheet is very small or neglected, thereby ensure that the inside functional structure of relay is intact, guarantee that the function operation of relay is normal.
2. The first hard conducting strip and the second hard conducting strip are respectively connected with the soft conducting strip through laser welding, and the soft conducting strip has the characteristics of simple manufacturing process, low manufacturing cost, processing time saving and the like.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the relay and the electronic electric energy meter of the present invention are not limited to the embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an electric energy meter relay of the present invention;
fig. 2 is a schematic structural diagram of the relay of the electric energy meter in the open state of the upper case;
fig. 3 is a schematic structural view of a stationary spring lead-out piece (including a stationary contact) according to the present invention;
fig. 4 is a schematic structural view of the movable spring lead-out piece (including the movable spring plate) of the present invention;
fig. 5 is a schematic structural diagram of the electronic electric energy meter of the present invention.
Detailed Description
In an embodiment, please refer to fig. 1-4, the utility model discloses an electric energy meter relay, including relay main body 1, quiet spring lead-out piece 2 and movable spring lead-out piece 3, quiet spring lead-out piece 2 includes first hard conducting strip 21, second hard conducting strip 23 and soft conducting strip 22, and first hard conducting strip 21 is located relay main body 1 locally, and this first hard conducting strip 21 is located the part outside relay main body 1 and connects second hard conducting strip 23 through soft conducting strip 22, and second hard conducting strip 23 is used for being connected with corresponding conductive part in the electric energy meter.
In this embodiment, the first hard conductive sheet 21 and the second hard conductive sheet 23 are connected to the soft conductive sheet 22 by laser welding, respectively. The first hard conductive sheet 21 and the second hard conductive sheet 23 are hard copper sheets, respectively, and the soft conductive sheet 22 is a soft copper sheet and is in a soft annealed state, and the hardness thereof is 50 to 70HV (vickers hardness).
In this embodiment, the first hard conductive plate 21 of the static spring lead-out piece 2 is substantially L-shaped, one side of which extends into the relay main body 1 and is provided with the static contact 4, and the other side of which is located outside the relay main body 1 and extends along the length direction of the relay main body 1 and is connected with the soft conductive plate 22.
In this embodiment, an anti-slip structure is disposed on a surface of the second hard conductive plate 23 of the static spring leading-out piece 2, the surface being opposite to the relay main body 1, and the anti-slip structure includes a plurality of anti-slip grooves 231, the plurality of protective grooves 231 are distributed along a length direction of the second hard conductive plate 23, and each protective groove 231 is disposed along a width direction of the second hard conductive plate 23. In other embodiments, the protective groove is replaced by an anti-slip bead. The first hard conducting strip 21 of the static spring leading-out piece 2 is provided with a voltage sampling pin 211.
In this embodiment, the movable spring leading-out piece 3 includes a third hard conductive piece 31, a fourth hard conductive piece 33 and a shunt piece 32, the third hard conductive piece 31 is partially located inside the relay main body 1 and connected to the movable spring 5 in the relay main body 1, a portion of the third hard conductive piece 31 located outside the relay main body is connected to the fourth hard conductive piece 33 through the shunt piece 32, and the fourth hard conductive piece 33 is used for being connected to a corresponding conductive component in the electric energy meter. The movable spring 5 is formed by overlapping a plurality of elastic springs, a movable contact 6 is arranged on the movable spring, and the movable contact 6 is correspondingly matched with the fixed contact 4. The shunt sheet 32 is a manganese copper sheet, and the third hard conductive sheet 31 and the fourth hard conductive sheet 33 are both hard copper sheets.
In this embodiment, the third hard conductive sheet 31 and the fourth hard conductive sheet 33 are respectively provided with voltage sampling pins 311 and 331; the surface of the fourth hard conductive sheet 33, which faces away from the relay body 1, is provided with an anti-slip structure, and the anti-slip structure includes a plurality of anti-slip grooves 332. The third hard conductive plate 31 is also substantially L-shaped, one side of which extends into the interior of the relay main body and is connected to the movable contact spring 5, and the other side of which is located outside the relay main body 1 and extends along the length direction of the relay main body 1 and is connected to the shunt plate 32. The other side of the first hard conductive sheet 21 and the other side of the third hard conductive sheet 31 extend in opposite directions.
Please refer to fig. 5, the present invention relates to an electronic electric energy meter, which comprises an electric energy meter casing 7 and further comprises an electric energy meter relay according to the present invention, wherein the second hard conducting strip 23 of the static spring lead-out piece 2 and the fourth hard conducting strip 33 of the movable spring lead-out piece 3 are respectively connected to corresponding conducting components in the electric energy meter casing 7.
In this embodiment, the conductive component includes a ring terminal 8, the second hard conductive plate 23 of the static spring lead-out piece 2 and the second hard conductive plate 33 of the movable spring lead-out piece 3 are respectively connected to the corresponding ring terminal by screws 9, and cables (not shown in the figure) are respectively clamped between the second hard conductive plate 23 and the corresponding ring terminal, and between the third hard conductive plate 33 and the corresponding ring terminal. In other embodiments, the conductive component is a conductive sheet or a conductive rod, and the conductive sheet or the conductive rod is fixedly connected with the second hard conductive sheet or the fourth hard conductive sheet by welding or screwing.
The utility model discloses an electric energy meter relay and electronic type electric energy meter draws piece 2 when the quiet spring is not good to be installed because of size deviation in the assembly, and soft conducting strip 22 in the middle of it can play the regulating action, has solved quiet spring and has drawn piece 2 because the problem of size deviation can't install or not install well, improves the installation effectiveness. During installation, locking force is applied to the second hard conducting strip 23, when the stress passes through the middle soft conducting strip 22, the soft conducting strip 23 releases certain force through deformation, so that the force transmitted to the first hard conducting strip 21 is small or ignored, thereby ensuring that the internal functional structure of the relay is intact and ensuring that the functional operation of the relay is normal.
In other embodiments, when the movable spring tab is not easily installed due to dimensional deviation during assembly, the movable spring tab may also be configured in the same manner as the stationary spring tab, that is, the movable spring tab also includes a first hard conductive tab, a second hard conductive tab and a soft conductive tab, the first hard conductive tab is partially located inside the relay body and connected to the movable spring, a portion of the first hard conductive tab located outside the relay body is connected to the second hard conductive tab through the soft conductive tab, and the second hard conductive tab is used for connecting to a corresponding terminal and/or cable of the electric energy meter.
In other embodiments, when only the moving spring tab is not well installed in assembly due to dimensional variations, the moving spring tab is modified as follows: the movable spring leading-out piece comprises a first hard conducting strip, a second hard conducting strip and a soft conducting strip, the first hard conducting strip is locally positioned in the relay main body and is connected with the movable spring, the part, positioned outside the relay main body, of the first hard conducting strip is connected with the second hard conducting strip through the soft conducting strip, and the second hard conducting strip is used for being connected with a corresponding terminal and/or a cable of the electric energy meter.
The above embodiments are only used to further explain the utility model discloses an electric energy meter relay and electronic type electric energy meter, but the utility model discloses do not limit to the embodiment, all basis the utility model discloses a technical entity does any simple modification, equivalent change and modification to above embodiment, all fall into the technical scheme's of the utility model protection within range.
Claims (10)
1. The utility model provides an electric energy meter relay, draws forth piece and movable spring including relay main part, quiet spring and draws forth the piece, its characterized in that: the static spring lead-out piece and/or the movable spring lead-out piece comprise a first hard conducting strip, a second hard conducting strip and a soft conducting strip, the first hard conducting strip is locally positioned in the relay main body, the part of the first hard conducting strip, which is positioned outside the relay main body, is connected with the second hard conducting strip through the soft conducting strip, and the first hard conducting strip and the second hard conducting strip are respectively connected with the soft conducting strip through laser welding.
2. The electric energy meter relay of claim 1, wherein: the first hard conducting strip and the second hard conducting strip are hard copper sheets respectively, and the soft conducting strip is a soft copper sheet.
3. The electric energy meter relay of claim 1 or 2, wherein: the soft conductive sheet is in a soft annealed state and has a hardness of 50 to 70 HV.
4. The electric energy meter relay of claim 1, wherein: the first hard conducting strip is L-shaped, one side of the first hard conducting strip extends into the relay main body and is provided with a static contact or is connected with a movable contact spring in the relay main body, and the other side of the first hard conducting strip is positioned outside the relay main body and extends and is connected with the soft conducting strip along the length direction of the relay main body.
5. The electric energy meter relay of claim 1, wherein: the hard conducting strip of second one side back to the relay main part is equipped with anti-skidding structure, and this anti-skidding structure includes a plurality of anti-skidding grooves or a plurality of anti-skidding protruding muscle.
6. The electric energy meter relay of claim 1, wherein: and a voltage sampling pin is arranged on the part of the first hard conducting strip, which is positioned outside the relay main body.
7. The electric energy meter relay of claim 1, wherein: the static spring leading-out piece comprises a first hard conducting strip, a second hard conducting strip and a soft conducting strip, and a static contact is arranged at the part of the first hard conducting strip, which is positioned in the relay main body; the movable spring leading-out piece comprises a third hard conductive piece, a fourth hard conductive piece and a splitter piece, the third hard conductive piece is locally positioned inside the relay main body and is connected with the movable spring in the relay main body, and the part of the third hard conductive piece, which is positioned outside the relay main body, is connected with the fourth hard conductive piece through the splitter piece.
8. The electric energy meter relay of claim 7, wherein: the third hard conducting strip and the fourth hard conducting strip are respectively provided with a voltage sampling pin; the surface of the fourth hard conducting strip, which faces back to the relay main body, is provided with an anti-slip structure, and the anti-slip structure comprises a plurality of anti-slip grooves or a plurality of anti-slip convex ribs.
9. The utility model provides an electronic type electric energy meter, includes the electric energy meter casing, its characterized in that: an electrical energy meter relay as in any of claims 1-8 further comprising the second hard conductive tab connected to a corresponding conductive member within the electrical energy meter housing.
10. The utility model provides an electronic type electric energy meter, includes the electric energy meter casing, its characterized in that: the electric energy meter relay of claim 7 or 8, further comprising the second and fourth hard conducting strips respectively connected to corresponding conductive members within the electric energy meter housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021784900.7U CN212907569U (en) | 2020-08-24 | 2020-08-24 | Electric energy meter relay and electronic electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021784900.7U CN212907569U (en) | 2020-08-24 | 2020-08-24 | Electric energy meter relay and electronic electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212907569U true CN212907569U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021784900.7U Active CN212907569U (en) | 2020-08-24 | 2020-08-24 | Electric energy meter relay and electronic electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212907569U (en) |
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2020
- 2020-08-24 CN CN202021784900.7U patent/CN212907569U/en active Active
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