Copper piece connection isolation structure of screw-locking-free electric energy meter

Abstract

The utility model discloses a copper piece connection isolation structure of a screw-locking-free electric energy meter, which comprises a first wiring terminal, a second wiring terminal and a copper bar unit, the copper bar unit is connected between the first wiring terminal and the second wiring terminal, the first wiring terminal is provided with a first welding end, a second welding end and a third welding end, and the second wiring terminal is provided with a second welding end and a third welding end. The second wiring terminal is provided with a fourth welding end, a fifth welding end, a sixth welding end and a seventh welding end; the copper bar unit comprises a first copper bar, a second copper bar, a third copper bar and a fourth copper bar. According to the copper piece connection isolation structure of the screw-locking-free electric energy meter disclosed by the utility model, linkage is carried out through the first wiring terminal, the second wiring terminal and the copper bar unit, the wiring of the electric energy meter is rapid, and the installation efficiency is high; wiring is reliable, and the risk of screw loosening is avoided; no tool is needed for installation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electric energy meter wiring, specifically relates to a copper piece connecting isolation structure of screw-free electric energy meter. BACKGROUND

[0002] Now the wiring end of electric energy meter mostly adopts the mode of connecting of wire pressing frame screw fastening, and in the scene of large current, screw fastening has the advantage of reliable connection. In the application scene of not very large current, adopt a structure of quickly and reliably pressing wire, can simplify the electric meter installation step, in addition, avoid the heating problem caused by screw loosening, and it is very helpful to improve product competitiveness. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a copper piece connecting isolation structure of screw-free electric energy meter, which is linked through a first terminal, a second terminal and a copper strip unit, and has the advantages of fast electric meter wiring, high installation efficiency, reliable wiring and no risk of screw loosening.

[0004] To achieve the above purpose, the utility model provides a copper piece connecting isolation structure of screw-free electric energy meter, which comprises a first terminal, a second terminal and a copper strip unit (shunt), wherein:

[0005] The first terminal is provided with a first welding end, a second welding end and a third welding end, and the second terminal is provided with a fourth welding end, a fifth welding end, a sixth welding end and a seventh welding end.

[0006] The copper strip unit comprises a first copper strip, a second copper strip, a third copper strip and a fourth copper strip, one end of the first copper strip is connected with the first welding end, and the other end of the first copper strip is connected with the fourth welding end, one end of the second copper strip is connected with the second welding end, and the other end of the second copper strip is connected with the fifth welding end, one end of the third copper strip is connected with the third welding end, and the other end of the third copper strip is connected with the sixth welding end, and one end of the fourth copper strip (corresponding to N phase) is connected with the seventh welding end (the first terminal and the second terminal are respectively welded on the copper strip unit through wave soldering).

[0007] Insulating paper is arranged between adjacent copper strips of the copper strip unit, and the copper strip unit is filled with insulating glue or epoxy resin (to prevent phase-to-phase arc-over) through insulating glue filling (the gap between the copper strips).

[0008] As a further preferred technical solution of the above technical solution, the first copper bar is provided with a first mounting end and a second mounting end, the second copper bar is provided with a third mounting end and a fourth mounting end, the third copper bar is provided with a fifth mounting end and a sixth mounting end, and the fourth copper bar is provided with a seventh mounting end.

[0009] As a further preferred technical solution of the above technical solution, the circuit board is further included.

[0010] The first copper bar is fixed to the circuit board through the first mounting end and the second mounting end.

[0011] The second copper bar is fixed to the circuit board through the third mounting end and the fourth mounting end.

[0012] The third copper bar is fixed to the circuit board through the fifth mounting end and the sixth mounting end.

[0013] The fourth copper bar is fixed to the circuit board through the seventh mounting end.

[0014] As a further preferred technical solution of the above technical solution, the first copper bar is provided with a first sampling point and a second sampling point, the second copper bar is provided with a third sampling point and a fourth sampling point, the third copper bar is provided with a fifth sampling point and a sixth sampling point, and the fourth copper bar is provided with a seventh sampling point.

[0015] As a further preferred technical solution of the above technical solution, the first to seventh sampling points are respectively connected with the circuit board (for current sampling). BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a structural schematic view of the utility model.

[0017] Fig. 2 is a structural schematic view of the utility model (insulating glue is hidden).

[0018] Fig. 3 is a structural schematic view of the utility model (insulating glue is hidden).

[0019] The reference numerals in the attached drawings include: 100, terminal block; 110, first welding end; 120, second welding end; 130, third welding end; 200, second terminal block; 210, fourth welding end; 220, fifth welding end; 230, sixth welding end; 240, seventh welding end; 300, copper strip unit; 310, first copper strip; 311, first mounting end; 312, second mounting end; 313, first sampling point; 314, second sampling point; 320, second copper strip; 321, third mounting end; 322, fourth mounting end; 323, third sampling point; 324, fourth sampling point; 330, third copper strip; 331, fifth mounting end; 332, sixth mounting end; 333, fifth sampling point; 334, sixth sampling point; 340, fourth copper strip; 341, seventh mounting end; 342, seventh sampling point; 350, insulating adhesive. Detailed Implementation

[0020] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0021] like Figs. 1-3 As shown, this utility model discloses a copper connection isolation structure for a screwless energy meter. The specific embodiments of the utility model will be further described below with reference to preferred embodiments.

[0022] In the embodiments of this utility model, those skilled in the art will note that the electricity meter and circuit board involved in this utility model can be regarded as prior art.

[0023] Preferred embodiment.

[0024] This utility model discloses a copper connection isolation structure for a screwless energy meter, including a first terminal 100, a second terminal 200, and a copper strip unit 300 (shunt). The copper strip unit 300 is connected between the first terminal 100 and the second terminal 200, wherein:

[0025] The first terminal block 100 is provided with a first welding end 110, a second welding end 120 and a third welding end 130, and the second terminal block 200 is provided with a fourth welding end 210, a fifth welding end 220, a sixth welding end 230 and a seventh welding end 240;

[0026] The copper bar unit 300 comprises a first copper bar 310, a second copper bar 320, a third copper bar 330 and a fourth copper bar 340, one end of the first copper bar 310 is connected with the first soldering end 110 and the other end of the first copper bar 310 is connected with the fourth soldering end 210, one end of the second copper bar 320 is connected with the second soldering end 120 and the other end of the second copper bar 320 is connected with the fifth soldering end 220, one end of the third copper bar 330 is connected with the third soldering end 130 and the other end of the third copper bar 330 is connected with the sixth soldering end 230, one end of the fourth copper bar 340 (corresponding to N phase) is connected with the seventh soldering end 240 (the first and second terminal ends are respectively soldered on the copper bar unit by wave soldering);

[0027] The adjacent copper bars of the copper bar unit 330 are provided with insulating paper (not shown) and the copper bar unit 330 is filled with insulating glue 350 (insulating glue or epoxy resin is filled in the gap between the copper bars to prevent phase-to-phase spark).

[0028] Specifically, the first copper bar 310 is provided with a first mounting end 311 and a second mounting end 312, the second copper bar 320 is provided with a third mounting end 321 and a fourth mounting end 322, the third copper bar 330 is provided with a fifth mounting end 331 and a sixth mounting end 332, and the fourth copper bar 340 is provided with a seventh mounting end 341.

[0029] More specifically, it further comprises a circuit board (not shown), wherein:

[0030] The first copper bar 310 is fixed to the circuit board through the first mounting end 311 and the second mounting end 312;

[0031] The second copper bar 320 is fixed to the circuit board through the third mounting end 321 and the fourth mounting end 322;

[0032] The third copper bar 330 is fixed to the circuit board through the fifth mounting end 331 and the sixth mounting end 332;

[0033] The fourth copper bar 340 is fixed to the circuit board through the seventh mounting end 341.

[0034] Further, the first copper bar 310 is provided with a first sampling point 313 and a second sampling point 314, the second copper bar 320 is provided with a third sampling point 323 and a fourth sampling point 324, the third copper bar 330 is provided with a fifth sampling point 333 and a sixth sampling point 334, and the fourth copper bar 340 is provided with a seventh sampling point 342.

[0035] Further, the first to seventh sampling points are connected with the circuit board (for current sampling) respectively.

[0036] For the utility model, the focus is:

[0037] 1, the wiring terminal is directly welded on the copper bar unit of the shunt.

[0038] 2, the glue between the shunt copper bars is used to prevent phase-to-phase spark.

[0039] 3, the large current wiring terminal is used to replace the line pressing frame on the electric meter.

[0040] It is worth mentioning that the electric energy meter and the circuit board and other technical features involved in the utility model patent application should be regarded as prior art, and the specific structure, working principle and possible control mode, spatial arrangement mode of these technical features can be selected by using the conventional selection in the field, and should not be regarded as the invention point of the utility model patent, and the utility model patent will not be further expanded and described in detail.

[0041] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A copper piece connection isolation structure of a lock-free screw electric energy meter, characterized in that, The copper strip unit is connected between the first terminal and the second terminal, wherein: The first terminal is provided with a first welding end, a second welding end and a third welding end, and the second terminal is provided with a fourth welding end, a fifth welding end, a sixth welding end and a seventh welding end; The copper strip unit comprises a first copper strip, a second copper strip, a third copper strip and a fourth copper strip, one end of the first copper strip is connected with the first welding end and the other end of the first copper strip is connected with the fourth welding end, one end of the second copper strip is connected with the second welding end and the other end of the second copper strip is connected with the fifth welding end, one end of the third copper strip is connected with the third welding end and the other end of the third copper strip is connected with the sixth welding end, and one end of the fourth copper strip is connected with the seventh welding end; Insulating paper is arranged between adjacent copper strips of the copper strip unit, and the copper strip unit is filled and sealed by insulating glue.

2. The copper connection isolation structure of the lock-free screw electric energy meter according to claim 1, characterized in that, The first copper strip is provided with a first mounting end and a second mounting end, the second copper strip is provided with a third mounting end and a fourth mounting end, the third copper strip is provided with a fifth mounting end and a sixth mounting end, and the fourth copper strip is provided with a seventh mounting end.

3. The copper connection isolation structure of the lock-free screw electric energy meter according to claim 2, characterized in that, The circuit board is further provided with: The first copper strip is fixed to the circuit board through the first mounting end and the second mounting end; The second copper strip is fixed to the circuit board through the third mounting end and the fourth mounting end; The third copper strip is fixed to the circuit board through the fifth mounting end and the sixth mounting end; The fourth copper strip is fixed to the circuit board through the seventh mounting end.

4. The copper connection isolation structure of the lock-free screw electric energy meter according to claim 3, characterized in that, The first copper strip is provided with a first sampling point and a second sampling point, the second copper strip is provided with a third sampling point and a fourth sampling point, the third copper strip is provided with a fifth sampling point and a sixth sampling point, and the fourth copper strip is provided with a seventh sampling point.

5. The copper connection isolation structure of the lock-free screw electric energy meter according to claim 4, characterized in that, The first to seventh sampling points are respectively connected with the circuit board.

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