CN219285263U - Current transformer assembly and electric energy meter - Google Patents
Current transformer assembly and electric energy meter Download PDFInfo
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- CN219285263U CN219285263U CN202320731426.9U CN202320731426U CN219285263U CN 219285263 U CN219285263 U CN 219285263U CN 202320731426 U CN202320731426 U CN 202320731426U CN 219285263 U CN219285263 U CN 219285263U
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- 238000005452 bending Methods 0.000 claims description 66
- 230000007935 neutral effect Effects 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 13
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model provides a current transformer component and an electric energy meter, and belongs to the technical field of electric energy meters, wherein the current transformer component comprises a wiring terminal, a current transformer, a first conductive connecting piece and a second conductive connecting piece, and the wiring terminal comprises two live wire wiring terminals and two zero wire wiring terminals; the current transformer is positioned between two adjacent wiring terminals; the current transformer comprises a first through hole and a second through hole which are mutually separated; the first through hole is internally penetrated with a first conductive connecting piece, the second through hole is internally penetrated with a second conductive connecting piece, two ends of the first conductive connecting piece are respectively connected with two live wire connecting terminals, and two ends of the second conductive connecting piece are respectively connected with two zero wire connecting terminals. The current transformer assembly provided by the utility model has the advantages that the current transformer is inserted between two adjacent wiring terminals, the structure is compact, the placement of other electric devices is convenient, the space is saved, and the overall size of the electric energy meter is reduced to the greatest extent.
Description
Technical Field
The utility model relates to the technical field of electric energy meters, in particular to a current transformer assembly and an electric energy meter.
Background
The electric energy meter is a meter for measuring electric energy, also called an electric meter, a fire meter and a kilowatt hour meter, and refers to a meter for measuring various electric quantities. In order to avoid potential safety hazards caused by electric leakage and the like, a current transformer is additionally arranged in the electric energy meter to detect whether the equipment has an electric leakage phenomenon or not, but the existing current transformer occupies a large space after being additionally arranged, is not compact, so that the whole structure of the electric energy meter is enlarged, and the cost is increased.
Disclosure of Invention
Therefore, the utility model aims to overcome the defects that the electric energy meter in the prior art occupies large space and is not compact after the current transformer is additionally arranged, so that the whole structure of the electric energy meter is enlarged and the cost is increased, thereby providing the current transformer assembly and the electric energy meter.
In order to solve the above technical problems, the present utility model provides a current transformer assembly, including:
the connecting terminal comprises two live wire connecting terminals and two zero wire connecting terminals;
the current transformer is positioned between two adjacent connecting terminals; the current transformer comprises a first through hole and a second through hole which are mutually separated;
the first conductive connecting piece and the second conductive connecting piece, pass in the first through-hole have first conductive connecting piece, pass in the second through-hole have second conductive connecting piece, the both ends of first conductive connecting piece respectively with two live wire binding post is connected, the both ends of second conductive connecting piece respectively with two zero line binding post is connected.
Optionally, two live wire binding posts are adjacent to each other, two zero wire binding posts are adjacent to each other, and the current transformer is located between two live wire binding posts.
Optionally, one of the two live wire connecting terminals is a live wire incoming terminal, the other is a live wire outgoing terminal, one of the two zero wire connecting terminals is a zero wire incoming terminal, and the other is a zero wire outgoing terminal;
the first conductive connecting piece comprises a first conductive section, a second conductive section and a third conductive section which are sequentially connected, the second conductive section penetrates through the first through hole, the first conductive section is connected with the live wire inlet terminal, and the third conductive section is connected with the live wire outlet terminal;
the second conductive connecting piece comprises a fourth conductive segment, a fifth conductive segment and a sixth conductive segment which are sequentially connected, the fifth conductive segment penetrates through the second through hole, the fourth conductive segment is connected with the zero line outgoing terminal, and the sixth conductive segment is connected with the zero line incoming terminal.
Optionally, the first conductive segment includes three first bending plates that connect gradually, first group first bending plate with the second conductive segment is connected, the second group first bending plate with live wire inlet wire terminal is connected, the third group first bending plate's both ends respectively with first group first bending plate and second group first bending plate is connected.
Optionally, the fourth conductive segment includes a first riser and a second bent plate, the first riser is connected with the fifth conductive segment, and the second bent plate is connected with the zero line outgoing terminal;
the sixth conductive section comprises a second vertical plate, a Z-shaped bending plate and a third vertical plate, wherein the second vertical plate is connected with the fifth conductive section, the third vertical plate is connected with the zero line incoming terminal, two ends of the Z-shaped bending plate are respectively connected with the second vertical plate and the third vertical plate, and the longitudinal plates of the second vertical plate and the Z-shaped bending plate are respectively arranged on two sides of the current transformer.
Optionally, the longitudinal plate of the Z-shaped bending plate is close to the end face of the current transformer, the transverse plate at the upper end of the Z-shaped bending plate is close to the top face of the current transformer, and the transverse plate at the lower end of the Z-shaped bending plate is close to the second conductive connecting piece.
Optionally, the second riser and the Z-shaped bending plate are connected by riveting or welding; the first vertical plate and the fifth conductive section are connected through riveting or welding; the first conductive segment and the second conductive segment are connected by riveting or welding.
Optionally, a copper-manganese shunt is disposed on the first conductive segment.
Optionally, the copper-manganese shunt is provided with sampling signal pins, and the sampling signal pins extend towards the rear;
the current transformer is provided with leakage current signal pins which extend towards the rear;
the first conductive section is provided with a live wire pin, and the live wire pin extends towards the rear;
and the sixth conductive segment is provided with a zero line stitch, and the zero line stitch extends towards the rear.
The utility model provides an electric energy meter, comprising:
an end button box;
a current transformer assembly as claimed in any preceding claim, which is mounted within the terminal box.
The technical scheme of the utility model has the following advantages:
1. the current transformer component comprises two live wire wiring terminals and two zero wire wiring terminals, the current transformer comprises a first through hole and a second through hole which are mutually separated, the two live wire wiring terminals are connected and the two zero wire wiring terminals are connected through the first conductive connecting piece and the second conductive connecting piece which penetrate through the first through hole and the second through hole, the current transformer is inserted between the two adjacent wiring terminals, space is better utilized, the structure is compact, a relatively empty area can be reserved, the placement of other electric devices is facilitated, space is saved, the whole size of the electric energy meter is reduced maximally, and cost is reduced.
The first conductive connecting piece passes through the first through hole, and the second conductive connecting piece passes through the second through hole, so that the first conductive connecting piece and the second conductive connecting piece keep a certain safety distance, and the safety is improved.
2. According to the current transformer assembly provided by the utility model, the two live wire connecting terminals are adjacently arranged, the two zero wire connecting terminals are adjacently arranged, the current transformer is inserted between the two live wire connecting terminals, the current transformer is arranged on one side, more components are concentrated on one side, and a larger space is reserved on the other side, so that the reasonable arrangement of other components in the electric energy meter is facilitated.
3. The utility model provides a current transformer component, wherein a first conductive connecting piece comprises a first conductive section, a second conductive section and a third conductive section which are sequentially connected, the second conductive section penetrates through a first through hole, the first conductive section is connected with a live wire inlet terminal, and the third conductive section is connected with the live wire outlet terminal; the second conductive connecting piece comprises a fourth conductive segment, a fifth conductive segment and a sixth conductive segment which are sequentially connected, the fifth conductive segment penetrates through the second through hole, the fourth conductive segment is connected with the zero line outgoing terminal, and the sixth conductive segment is connected with the zero line incoming terminal. By setting the structures of the first conductive segment, the third conductive segment, the fourth conductive segment and the sixth conductive segment, the space above the wiring terminal is utilized more compactly.
4. According to the current transformer assembly provided by the utility model, the first conductive section is formed by sequentially connecting three groups of first bending plates, the arrangement of the three groups of first bending plates increases the connection path between the live wire wiring terminal and the first conductive connecting piece, and the first conductive section also provides the installation space for other electrical components;
the fourth conductive section comprises a first vertical plate and a second bending plate, the first vertical plate is connected with the fifth conductive section, and the second bending plate is connected with the zero line outgoing terminal; the sixth conductive section comprises a second vertical plate, a Z-shaped bending plate and a third vertical plate, wherein the second vertical plate is connected with the fifth conductive section, the third vertical plate is connected with a zero line incoming line terminal, two ends of the Z-shaped bending plate are respectively connected with the second vertical plate and the third vertical plate, the longitudinal plates of the second vertical plate and the Z-shaped bending plate are respectively arranged on two sides of the current transformer, the Z-shaped bending plate is used for completing connection of the Z-shaped bending plate under the condition of small occupied space, connecting pieces are concentrated around the current transformer, and a larger space area is reserved for installing other electric pieces.
5. According to the current transformer assembly provided by the utility model, the longitudinal plate of the Z-shaped bending plate is close to the end face of the current transformer, the transverse plate at the upper end of the Z-shaped bending plate is close to the top face of the current transformer, and the transverse plate at the lower end of the Z-shaped bending plate is close to the second conductive connecting piece, so that the overall structure is more compact.
6. The current transformer assembly provided by the utility model is used for connecting all the parts in a riveting or welding mode, and is reliable in process and good in stability.
7. The current transformer component provided by the utility model has the advantages that the copper-manganese shunt is arranged for collecting live wire current, the leakage current signal pins on the current transformer, the sampling signal pins on the copper-manganese shunt, the live wire pins and the zero line pins are all in a hard connection mode, the position is fixed, the direct assembly is convenient, and the assembly efficiency is high.
8. According to the electric energy meter provided by the utility model, the current transformer component is arranged in the terminal box, so that the space in the electric energy meter is reasonably occupied by the current transformer component, a large volume is avoided, and the cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of one embodiment of a current transformer assembly provided in an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the current transformer of FIG. 1;
fig. 3 is a schematic structural view of the connection of two live wire connection terminals in fig. 1;
fig. 4 is a schematic structural diagram of connection of two neutral wire connection terminals in fig. 1;
fig. 5 is a schematic view of another view structure of fig. 1.
Reference numerals illustrate:
1. a connection terminal; 2. a live wire connecting terminal; 3. a zero line connection terminal; 4. a current transformer; 5. a first through hole; 6. a second through hole; 7. a first conductive connection; 8. a second conductive connection; 9. a first conductive segment; 10. a second conductive segment; 11. a third conductive segment; 12. a fourth conductive segment; 13. a fifth conductive segment; 14. a sixth conductive segment; 15. a first bending plate; 16. a first riser; 17. a second bending plate; 18. a second riser; 19. a Z-shaped bending plate; 20. a third riser; 21. a copper-manganese shunt; 22. sampling signal pins; 23. leakage current signal pins; 24. a live wire stitch; 25. zero line pin.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
The current transformer component provided by the embodiment is used for being installed in the electric energy meter, so that the leakage protection reliability of the electric energy meter is greatly improved, and meanwhile, the use cost of a user is reduced.
As shown in fig. 1 and fig. 2, a specific implementation manner of the current transformer assembly provided in this embodiment includes a connection terminal 1, a current transformer 4, a first conductive connection member 7 and a second conductive connection member 8, where the connection terminal 1 includes two live wire connection terminals 2 and two neutral wire connection terminals 3; the current transformer 4 is inserted between two adjacent connecting terminals 1; the current transformer 4 comprises a first through hole 5 and a second through hole 6 which are mutually separated, a first conductive connecting piece 7 penetrates through the first through hole 5, a second conductive connecting piece 8 penetrates through the second through hole 6, two ends of the first conductive connecting piece 7 are respectively connected with the two live wire wiring terminals 2, and two ends of the second conductive connecting piece 8 are respectively connected with the two neutral wire wiring terminals 3. Specifically, the first conductive connecting piece 7 and the second conductive connecting piece 8 are current copper plates, and the copper plates can bear large current, reduce thermal strain and have good heat dissipation.
The current transformer 4 is inserted between two adjacent wiring terminals 1, space is better utilized, the structure is compact, a relatively empty area can be reserved, other electric devices can be conveniently placed, space is saved, the overall size of the electric energy meter is reduced to the greatest extent, and cost is reduced.
As shown in fig. 1, in the current transformer assembly provided in this embodiment, two live wire connection terminals 2 are disposed adjacently, two neutral wire connection terminals 3 are disposed adjacently, and the current transformer 4 is located between the two live wire connection terminals 2. The current transformer 4 is arranged on one side, more pieces are concentrated on one side, and a larger space is reserved on the other side, so that other pieces in the electric energy meter can be reasonably arranged. Wherein, the current transformer 4 is inserted between two live wire binding posts 2. In addition, as an alternative embodiment, the arrangement of the connection terminal 1 and the current transformer 4 may be other structures, for example: the current transformer 4 is inserted between two adjacent zero line connecting terminals 3; adjacent live wire binding post 2 set up in the centre, current transformer 4 also can insert and establish between the live wire binding post 2 in the centre.
As shown in fig. 3 and fig. 4, in the current transformer assembly provided in this embodiment, one of the two live wire connection terminals 2 is a live wire inlet terminal, the other is a live wire outlet terminal, one of the two neutral wire connection terminals 3 is a neutral wire inlet terminal, and the other is a neutral wire outlet terminal; the first conductive connecting piece 7 comprises a first conductive section 9, a second conductive section 10 and a third conductive section 11 which are sequentially connected, the second conductive section 10 penetrates through the first through hole 5, the first conductive section 9 is connected with the live wire inlet terminal, and the third conductive section 11 is connected with the live wire outlet terminal; the second conductive connecting piece 8 comprises a fourth conductive segment 12, a fifth conductive segment 13 and a sixth conductive segment 14 which are sequentially connected, the fifth conductive segment 13 penetrates through the second through hole 6, the fourth conductive segment 12 is connected with the zero line outgoing terminal, and the sixth conductive segment 14 is connected with the zero line incoming terminal.
By setting the structures of the first conductive segment 9, the third conductive segment 11, the fourth conductive segment 12, and the sixth conductive segment 14, the space above the connection terminal 1 is utilized more compactly. The second conductive segment 10 and the first conductive segment 9 and the third conductive segment 11 can be integrally and reliably connected through welding or riveting, the fifth conductive segment 13 and the fourth conductive segment 12 and the sixth conductive segment 14 can be integrally and reliably connected through welding or riveting, and in addition, all the parts can be integrally provided with a blanking bending structure, and response selection is performed according to the actual installation condition.
As shown in fig. 3, in the current transformer assembly provided in this embodiment, the first conductive section 9 is formed by sequentially connecting three groups of first bending plates 15, a first group of first bending plates 15 are connected with the second conductive section 10, a second group of first bending plates 15 are connected with the live wire incoming line terminal, and two ends of a third group of first bending plates 15 are respectively connected with the first group of first bending plates 15 and the second group of first bending plates 15. The arrangement of the three first bending plates 15 increases the connection path between the live wire connection terminal 2 and the second conductive segment 10, and the first conductive segment 9 also gives the installation space for other electrical components. Specifically, the first bending plate 15 is a right-angle bending plate, the first bending plate 15 connected with the second conductive section 10 and the first bending plate 15 connected with the live wire connecting terminal 2 are both bent forward, and the first bending plate 15 in the middle connects the other two first bending plates 15.
As shown in fig. 4, in the current transformer assembly provided in this embodiment, the fourth conductive segment 12 includes a first riser 16 and a second bending plate 17, where the first riser 16 is connected to the fifth conductive segment 13, and the second bending plate 17 is connected to the outgoing line terminal; the sixth conductive section 14 comprises a second vertical plate 18, a Z-shaped bending plate 19 and a third vertical plate 20, the second vertical plate 18 is connected with the fifth conductive section 13, the third vertical plate 20 is connected with a zero line incoming terminal, two ends of the Z-shaped bending plate 19 are respectively connected with the second vertical plate 18 and the third vertical plate 20, longitudinal plates of the second vertical plate 18 and the Z-shaped bending plate 19 are respectively arranged on two sides of the current transformer 4, the second vertical plate 18 is parallel to the end face of the current transformer 4, the Z-shaped bending plate 19 is used for completing connection of the current transformer 4 under the condition of small occupied space, connecting pieces are concentrated around the current transformer 4, and a large space area is reserved for installing other electric parts.
As shown in fig. 4, in the current transformer assembly provided in this embodiment, the longitudinal plate of the Z-shaped bending plate 19 is close to the end face of the current transformer 4, the transverse plate at the upper end of the Z-shaped bending plate 19 is close to the top face of the current transformer 4, and the transverse plate at the lower end of the Z-shaped bending plate 19 is close to the second conductive connecting piece 8, so that the Z-shaped bending plate 19 is close to the current transformer 4 and the second conductive connecting piece 8, and the overall structure is more compact.
In the current transformer assembly provided in this embodiment, the second riser 18 and the Z-shaped bending plate 19 are connected by riveting or welding; the first riser 16 and the fifth conductive segment 13 are connected by riveting or welding; the first conductive section 9 and the second conductive section 10 are connected through riveting or welding, the process is reliable and fixed, the stability is good, other connecting parts can be riveted or welded, a blanking and bending integrated structure can be adopted, and corresponding adjustment is carried out according to actual installation conditions.
As shown in fig. 1, in the current transformer assembly provided in this embodiment, the first conductive segment 9 is provided with a copper-manganese shunt 21, which is used for collecting the live wire current, and has high sensitivity and quick response.
As shown in fig. 5, in the current transformer assembly provided in this embodiment, a copper-manganese shunt 21 is provided with a sampling signal pin 22, and the sampling signal pin 22 extends towards the rear; the current transformer 4 is provided with a leakage current signal pin 23, and the leakage current signal pin 23 extends towards the rear; the first conductive section 9 is provided with a live wire pin 24, and the live wire pin 24 extends towards the rear; the sixth conductive segment 14 is provided with a neutral stitch 25, and the neutral stitch 25 extends rearward. The stitch is the hard connection mode, and the fixed direct assembly of being convenient for of position realizes automated production welding, reduces manufacturing cost, and avoids adopting the flexible cable assembly inefficiency, production cycle length and problem such as with high costs.
The embodiment also provides an electric energy meter, which comprises a terminal box and the current transformer assembly in the embodiment, wherein the current transformer assembly is arranged in the terminal box. The current transformer component is installed in the terminal box, and the space in the electric energy meter is reasonably occupied by the current transformer component, so that the large volume is avoided, and the cost is reduced.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A current transformer assembly, comprising:
the connecting terminal (1) comprises two live wire connecting terminals (2) and two zero wire connecting terminals (3);
the current transformers (4) are positioned between two adjacent connecting terminals (1); the current transformer (4) comprises a first through hole (5) and a second through hole (6) which are mutually separated;
first electrically conductive connecting piece (7) and second electrically conductive connecting piece (8), pass in first through-hole (5) have first electrically conductive connecting piece (7), pass in second through-hole (6) have second electrically conductive connecting piece (8), the both ends of first electrically conductive connecting piece (7) are connected with two live wire binding post (2) respectively, the both ends of second electrically conductive connecting piece (8) are connected with two zero line binding post (3) respectively.
2. A current transformer assembly according to claim 1, characterized in that two of the live wire connection terminals (2) are arranged adjacently and two of the neutral wire connection terminals (3) are arranged adjacently, the current transformer (4) being located between two live wire connection terminals (2).
3. A current transformer assembly according to claim 2, wherein one of the two live wire connection terminals (2) is a live wire inlet terminal and the other is a live wire outlet terminal, and wherein one of the two neutral wire connection terminals (3) is a neutral wire inlet terminal and the other is a neutral wire outlet terminal;
the first conductive connecting piece (7) comprises a first conductive section (9), a second conductive section (10) and a third conductive section (11) which are sequentially connected, the second conductive section (10) penetrates through the first through hole (5), the first conductive section (9) is connected with the live wire inlet terminal, and the third conductive section (11) is connected with the live wire outlet terminal;
the second conductive connecting piece (8) comprises a fourth conductive segment (12), a fifth conductive segment (13) and a sixth conductive segment (14) which are sequentially connected, the fifth conductive segment (13) penetrates through the second through hole (6), the fourth conductive segment (12) is connected with the zero line outgoing terminal, and the sixth conductive segment (14) is connected with the zero line incoming terminal.
4. A current transformer assembly according to claim 3, wherein the first conductive section (9) comprises three sets of first bending plates (15) connected in sequence, a first set of the first bending plates (15) being connected to the second conductive section (10), a second set of the first bending plates (15) being connected to the live wire incoming terminal, and a third set of the first bending plates (15) being connected at both ends to the first set of the first bending plates (15) and the second set of the first bending plates (15), respectively.
5. A current transformer assembly according to claim 3, characterized in that the fourth conductive segment (12) comprises a first riser (16) and a second bent plate (17), the first riser (16) being connected to the fifth conductive segment (13), the second bent plate (17) being connected to the neutral wire outlet terminal;
the sixth conductive section (14) comprises a second vertical plate (18), a Z-shaped bending plate (19) and a third vertical plate (20), wherein the second vertical plate (18) is connected with the fifth conductive section (13), the third vertical plate (20) is connected with a zero line incoming terminal, two ends of the Z-shaped bending plate (19) are respectively connected with the second vertical plate (18) and the third vertical plate (20), and the longitudinal plates of the second vertical plate (18) and the Z-shaped bending plate (19) are respectively arranged on two sides of the current transformer (4).
6. The current transformer assembly according to claim 5, characterized in that the longitudinal plate of the Z-shaped bending plate (19) is close to the end face of the current transformer (4), the transverse plate of the upper end of the Z-shaped bending plate (19) is close to the top face of the current transformer (4), and the transverse plate of the lower end of the Z-shaped bending plate (19) is close to the second conductive connection (8).
7. The current transformer assembly according to claim 5, characterized in that the second riser (18) and the Z-bend plate (19) are connected by riveting or welding; the first riser (16) and the fifth conductive segment (13) are connected by riveting or welding; the first conductive segment (9) and the second conductive segment (10) are connected by riveting or welding.
8. A current transformer assembly according to claim 3, characterized in that the first conductive segment (9) is provided with a copper-manganese shunt (21).
9. The current transformer assembly according to claim 8, characterized in that the copper-manganese shunt (21) is provided with sampling signal pins (22), which sampling signal pins (22) extend towards the rear;
the current transformer (4) is provided with a leakage current signal pin (23), and the leakage current signal pin (23) extends towards the rear;
a live wire pin (24) is arranged on the first conductive section (9), and the live wire pin (24) extends towards the rear;
a zero line pin (25) is arranged on the sixth conductive segment (14), and the zero line pin (25) extends towards the rear.
10. An electric energy meter, comprising:
an end button box;
the current transformer assembly of any of the preceding claims 1-9, mounted within the terminal block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320731426.9U CN219285263U (en) | 2023-04-04 | 2023-04-04 | Current transformer assembly and electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320731426.9U CN219285263U (en) | 2023-04-04 | 2023-04-04 | Current transformer assembly and electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219285263U true CN219285263U (en) | 2023-06-30 |
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ID=86908742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320731426.9U Active CN219285263U (en) | 2023-04-04 | 2023-04-04 | Current transformer assembly and electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219285263U (en) |
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2023
- 2023-04-04 CN CN202320731426.9U patent/CN219285263U/en active Active
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Address after: Zhengtai Instrument Measurement Industrial Park, No.1 Liangce Road, Beibaixiang Town, Leqing City, Wenzhou City, Zhejiang Province, 325603 Patentee after: ZHEJIANG CHINT INSTRUMENT & METER Co.,Ltd. Address before: 325603 Wenzhou Daqiao Industrial Park, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG CHINT INSTRUMENT & METER Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |