CN213398624U - Mutual inductor assembly for single-phase electric energy meter - Google Patents
Mutual inductor assembly for single-phase electric energy meter Download PDFInfo
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- CN213398624U CN213398624U CN202020673987.4U CN202020673987U CN213398624U CN 213398624 U CN213398624 U CN 213398624U CN 202020673987 U CN202020673987 U CN 202020673987U CN 213398624 U CN213398624 U CN 213398624U
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- energy meter
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- 239000002184 metal Substances 0.000 claims abstract description 72
- 229910052751 metal Inorganic materials 0.000 claims abstract description 72
- 238000005070 sampling Methods 0.000 claims abstract description 31
- 238000003466 welding Methods 0.000 claims abstract description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- LAXBNTIAOJWAOP-UHFFFAOYSA-N 2-chlorobiphenyl Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1 LAXBNTIAOJWAOP-UHFFFAOYSA-N 0.000 description 2
- 101710149812 Pyruvate carboxylase 1 Proteins 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a mutual-inductor subassembly for single-phase electric energy meter, this mutual-inductor subassembly include PCB board and mutual-inductor. Wherein, the PCB board is provided with a plurality of welding holes; the mutual inductor includes mutual inductor body, voltage metal needle and first sampling metal needle, the voltage metal needle first sampling metal needle all install in the mutual inductor body is close to on the one side of PCB board, the voltage metal needle first sampling metal needle passes respectively and is fixed in the welding hole is in order to incite somebody to action the mutual inductor body is fixed in on the PCB board. The utility model discloses a pass the metal needle on the mutual-inductor and be fixed in the welding hole on the PCB board to on being fixed in the PCB board with the mutual-inductor, compare in traditional wire connection and manual welding, the utility model discloses a fixed mode is more accurate, thereby has promoted the productivity reduce cost.
Description
Technical Field
The utility model relates to an electric energy meter technical field especially relates to a mutual-inductor subassembly for single-phase electric energy meter.
Background
The electric energy meter is the instrument and equipment of electric power electric quantity measurement, and the mutual-inductor is the essential element in the electric energy meter, plays very big effect to the performance and the production efficiency of electric energy meter, and the efficiency of electric energy meter production is directly influenced to its assembly efficiency's height.
Along with the increase of electric power energy quantity, the electric energy meter product mass production is connected through the wire between traditional mutual-inductor structure and the PCB board, specifically is to weld three wires on the mutual-inductor, welds the other end of wire on the PCB board again. The welding method consumes more working hours, and the welding accuracy is not high due to the uncertainty of manual operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mutual-inductor subassembly for single-phase electric energy meter to solve among the prior art mutual-inductor welding and waste time and energy and the not high problem of welding accuracy.
In order to solve the above problem, the utility model provides a mutual-inductor subassembly for single-phase electric energy meter, this mutual-inductor subassembly includes:
the PCB is provided with a plurality of welding holes;
the mutual inductor comprises a mutual inductor body, a voltage metal needle and a first sampling metal needle, wherein the voltage metal needle and the first sampling metal needle are arranged on one surface, close to the PCB, of the mutual inductor body, and the voltage metal needle and the first sampling metal needle penetrate through and are fixed in the welding holes to fix the mutual inductor body on the PCB.
As a further improvement, the transformer assembly further comprises a relay, and the relay is arranged on the PCB.
As the utility model discloses a further improvement, this mutual-inductor subassembly still includes the shunt, and the shunt includes shunt body, second sampling metal needle, third sampling metal needle and power supply metal needle, and the shunt body is connected with the input of relay, and second sampling metal needle, third sampling metal needle, power supply metal needle are installed in proper order on the shunt body and are matchd with the welding hole.
As a further improvement of the utility model, one side facial make-up that its input and output were kept away from to the relay is equipped with the thimble, and the thimble is used for taking out the relay.
As a further improvement of the utility model, this mutual-inductor subassembly is still including detecting the piece, detect the piece and include the conductive part and detect the metal needle, the conductive part is installed on the output of relay, detect the metal needle install on the conductive part and with the welding hole phase-match, conductive part and relay butt, first sampling metal needle, second sampling metal needle, third sampling metal needle, power supply metal needle and detect the metal needle and pass and be fixed in the welding hole to be fixed in the relay, detect on the piece is fixed in the PCB board.
As the utility model discloses a further improvement, the detection piece still includes L type kink, and the first end and the conductive part of L type kink are connected, and the second end and the detection metal needle of L type kink are connected.
As a further improvement, the utility model discloses a this mutual-inductor subassembly still includes input and output, and input and output are installed on the PCB board side by side, and input is connected with the input of mutual-inductor, and output is connected with the output of mutual-inductor.
As a further improvement of the utility model, mounting holes are reserved on the input piece and the output piece.
As a further improvement of the utility model, the conductive part is made of red copper.
The utility model discloses a pass the metal needle on the mutual-inductor and be fixed in the welding hole on the PCB board to on being fixed in the PCB board with the mutual-inductor, compare in traditional wire connection and manual welding, the utility model discloses a fixed mode is more accurate, thereby has promoted the productivity reduce cost.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a transformer assembly for a single-phase electric energy meter according to the present invention;
fig. 2 is a schematic structural diagram of an embodiment of a transformer assembly for a single-phase electric energy meter according to the present invention;
fig. 3 is a schematic diagram of a relay structure according to an embodiment of the transformer assembly for a single-phase electric energy meter of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of a transformer assembly for a single-phase electric energy meter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1, 2 and 3 show an embodiment of a transformer assembly for a single-phase electric energy meter according to the present invention, and referring to fig. 1, the transformer assembly includes a PCB board 1 and a transformer 2.
Referring to fig. 2, a plurality of welding holes 11 are formed in the PCB 1; the mutual inductor 2 comprises a mutual inductor body 21, a voltage metal needle 22 and a first sampling metal needle 23, wherein the voltage metal needle 22 and the first sampling metal needle 23 are arranged on one surface, adjacent to the PCB board 1, of the mutual inductor body 21, and the voltage metal needle 22 and the first sampling metal needle 23 penetrate through and are fixed on the welding hole 11 respectively so as to fix the mutual inductor body 21 on the PCB board 1.
Specifically, referring to fig. 3, the transformer assembly further includes a relay 3, and the relay 3 is mounted on the PCB board 1.
Furthermore, a thimble 31 is arranged on one side of the relay 3 away from the input end and the output end of the relay, and the thimble 31 is used for taking out the relay 3.
Specifically, the transformer assembly further comprises a shunt 4, the shunt 4 comprises a shunt body 41, a second sampling metal needle 42, a third sampling metal needle 43 and a power supply metal needle 44, the shunt body 41 is connected with the input end of the relay 3, and the second sampling metal needle 42, the third sampling metal needle 43 and the power supply metal needle 44 are sequentially arranged on the shunt body 41 and matched with the welding hole 11.
Specifically, the mutual inductor assembly further comprises a detection piece 5, the detection piece 5 comprises a conductive portion 51 and a detection metal needle, the conductive portion 51 is installed on the output end of the relay 3, the detection metal needle is installed on the conductive portion 51 and matched with the welding hole 11, the conductive portion 51 is abutted against the relay 3, and the first sampling metal needle 23, the second sampling metal needle 42, the third sampling metal needle 43, the power supply metal needle 44 and the detection metal needle penetrate through and are fixed in the welding hole 11 so as to fix the relay 3 and the detection piece 5 on the PCB board 1.
Specifically, the conductive portion 51 is made of red copper.
Specifically, the detecting member 5 further includes an L-shaped bent portion, a first end of the L-shaped bent portion is connected to the conductive portion 51, and a second end of the L-shaped bent portion is connected to the detecting metal pin.
This embodiment is through passing and being fixed in welding hole 11 on the PCB board 1 with the metal needle on the mutual-inductor 2 to on being fixed in PCB board 1 with mutual-inductor 2, compare in traditional wire connection and manual welding, the utility model discloses a fixed mode is more accurate, thereby has promoted the productivity and has reduced the cost. Meanwhile, the shunt 4 and the detection piece 5 are installed on the PCB 1, the current is detected and measured through the shunt 4 and the detection piece 5, the shunt 4 and the detection piece 5 are both fixed through metal pins corresponding to the welding holes 11, and the installation is simple and convenient.
In order to facilitate the current input and output of the transformer assembly, referring to fig. 4 on the basis of the above-mentioned embodiment, in this embodiment, the transformer assembly further includes an input member 6 and an output member 7, the input member 6 and the output member 7 are mounted on the PCB board 1 side by side, the input member 6 is connected to one end of the transformer body 21, and the output member 7 is connected to the other end of the transformer body 21.
Specifically, the input member 6 and the output member 7 are each a hollow metal member in a rectangular parallelepiped shape, one end of the hollow metal member is placed on the PCB board 1, and the other end of the hollow metal member extends to the outside of the PCB board 1.
Furthermore, mounting holes 8 are reserved on the input member 6 and the output member 7, and when the lead extends into the hollow metal member, the lead is screwed to the mounting holes 8 through screws so as to be fixed on the input member 6 and the output member 7.
The embodiment is used for connecting wires needing to be metered through the input piece 6 and the output piece 7 and screwing the wires to the mounting holes 8 through screws so as to fix the wires on the input piece 6 and the output piece 7, and the wires are convenient to mount or dismount.
The above detailed description of the embodiments of the present invention is only exemplary, and the present invention is not limited to the above described embodiments. It will be apparent to those skilled in the art that any equivalent modifications or substitutions can be made to the present invention without departing from the spirit and scope of the invention, and therefore, all equivalent changes, modifications, improvements, etc. made without departing from the spirit and scope of the invention are intended to be covered by the scope of the invention.
Claims (9)
1. A transformer assembly for a single phase electric energy meter, comprising:
the PCB is provided with a plurality of welding holes;
the mutual inductor comprises a mutual inductor body, a voltage metal needle and a first sampling metal needle, wherein the voltage metal needle is installed on the mutual inductor body adjacent to one surface of the PCB, and the voltage metal needle is respectively penetrated through and fixed on the welding hole so as to fix the mutual inductor body on the PCB.
2. The transformer assembly for a single phase electric energy meter according to claim 1, further comprising a relay mounted on the PCB board.
3. The transformer assembly for a single-phase electric energy meter according to claim 2, characterized in that the transformer assembly further comprises a shunt, the shunt comprises a shunt body, a second sampling metal needle, a third sampling metal needle and a power supply metal needle, the shunt body is connected with the input end of the relay, and the second sampling metal needle, the third sampling metal needle and the power supply metal needle are sequentially arranged on the shunt body and matched with the welding hole.
4. The transformer assembly of claim 2, wherein the relay is provided with a pin on a side thereof remote from the input and output terminals, the pin being adapted to remove the relay.
5. The transformer assembly for a single-phase electric energy meter according to claim 3, further comprising a detecting element, wherein the detecting element comprises a conductive portion and a detecting metal pin, the conductive portion is mounted on the output terminal of the relay, the detecting metal pin is mounted on the conductive portion and matched with the welding hole, the conductive portion abuts against the relay, and the first sampling metal pin, the second sampling metal pin, the third sampling metal pin, the power supply metal pin and the detecting metal pin pass through and are fixed to the welding hole to fix the relay and the detecting element on the PCB.
6. The transformer assembly according to claim 5, wherein the detecting member further comprises an L-shaped bending portion, a first end of the L-shaped bending portion is connected to the conductive portion, and a second end of the L-shaped bending portion is connected to the detecting metal pin.
7. The transformer assembly for a single-phase electric energy meter according to claim 5, wherein the conductive part is made of red copper.
8. The transformer assembly for a single-phase electric energy meter according to claim 1, characterized in that the transformer further comprises an input member and an output member, the input member and the output member are arranged on the PCB side by side, the input member is connected with the input end of the transformer, and the output member is connected with the output end of the transformer.
9. The transformer assembly for a single-phase electric energy meter according to claim 8, wherein mounting holes are reserved on both the input member and the output member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020673987.4U CN213398624U (en) | 2020-04-28 | 2020-04-28 | Mutual inductor assembly for single-phase electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020673987.4U CN213398624U (en) | 2020-04-28 | 2020-04-28 | Mutual inductor assembly for single-phase electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213398624U true CN213398624U (en) | 2021-06-08 |
Family
ID=76177196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020673987.4U Active CN213398624U (en) | 2020-04-28 | 2020-04-28 | Mutual inductor assembly for single-phase electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213398624U (en) |
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2020
- 2020-04-28 CN CN202020673987.4U patent/CN213398624U/en active Active
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