Bottom shell welding structure adaptive to automatic production of intelligent electric energy meter

Abstract

The utility model discloses a bottom shell welding structure adaptive to automatic production of an intelligent electric energy meter. The bottom shell welding structure comprises a circuit board, a bottom shell, four buckles, five supporting ribs, two positioning columns and two supporting columns, wherein the four buckles, the five supporting ribs, the two positioning columns and the two supporting columns are installed in the bottom shell. The first positioning column and the second positioning column are located at the adjacent corners of the bottom shell respectively, the first supporting column and the second supporting column are located on a bottom plate of the bottom shell, and in the using process, the circuit board is buckled in the bottom shell, the distribution positions of the four buckles in the bottom shell and the position relation between the five supporting ribs and the four buckles can accurately fix the circuit board front, back, left and right. The circuit board is limited in all space ranges of the bottom shell, and the four buckles can ensure that the circuit board does not deviate when the circuit board is inverted. During welding, only the structure needs to be flatly placed in selective wave soldering equipment, welding spots needing to be welded can be sprayed through the spray head, the welding time and the wave crest height can be accurately controlled, and the assembly efficiency and the welding efficiency are remarkably improved so as to adapt to the production efficiency of an existing intelligent electric energy meter.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent electric energy meter production welding, in particular to a bottom shell welding structure adapted to the automated production of intelligent electric energy meters. Background Art

[0002] As the automated production of smart electricity meters becomes more and more widely used, the traditional top-down assembly, screw locking and manual welding of smart electricity meters can no longer meet the existing production efficiency of smart electricity meters due to their long production cycle and low production efficiency. Therefore, a new structural assembly type is needed to adapt to the current production. Utility Model Content

[0003] The purpose of this application is to provide a bottom shell welding structure adapted to the automated production of smart electric energy meters, so as to solve the problem that the existing welding method has a long production cycle and low production efficiency and can no longer meet the production efficiency of existing smart electric energy meters.

[0004] In order to solve the above technical problems, the present application provides a bottom shell welding structure adapted to the automated production of smart electric energy meters, including:

[0005] A circuit board, a bottom shell and a first buckle, a second buckle, a third buckle, a fourth buckle, a first supporting rib, a second supporting rib, a third supporting rib, a fourth supporting rib, a fifth supporting rib, a first positioning column, a second positioning column, a first supporting column and a second supporting column installed in the bottom shell;

[0006] The first buckle and the second buckle are respectively located at opposite inner sides of the bottom shell, the third buckle and the fourth buckle are located at the same side of the bottom shell adjacent to the first buckle, the first support rib is arranged on the same side as the second buckle, the second support rib and the third support rib are arranged on the same side as the third buckle, the fourth support rib and the fifth support rib are arranged on the same side as the fourth buckle, the first positioning column and the second positioning column are respectively located at adjacent corners of the bottom shell, and the first support column and the second support column are located on the bottom plate of the bottom shell;

[0007] The circuit board is buckled in the bottom shell.

[0008] Based on the above embodiment, as a preferred implementation manner, the second supporting rib is arranged close to the second buckle, and the third supporting rib is arranged close to the third buckle.

[0009] Based on the above embodiment, as a preferred implementation manner, the fourth supporting rib and the fifth supporting rib are both arranged close to the fourth buckle.

[0010] What needs to be explained in detail in the solution is that the first positioning column is arranged close to the second supporting rib, and the second positioning column is arranged close to the third supporting rib.

[0011] Based on the above embodiment, as a preferred implementation manner, the first supporting rib is arranged close to the first positioning column.

[0012] Compared with the prior art, the present invention provides a bottom shell welding structure adapted to the automated production of smart electric energy meters, including a circuit board, a bottom shell and four buckles installed in the bottom shell, five supporting ribs, two positioning columns and two supporting columns; the first positioning column and the second positioning column are respectively located at adjacent corners of the bottom shell, and the first supporting column and the second supporting column are located on the bottom plate of the bottom shell. When in use, the circuit board is buckled in the bottom shell, and the distribution positions of the four buckles in the bottom shell (distributed around) and the positional relationship between the five supporting ribs and the four buckles can accurately fix the circuit board in the front, back, left and right directions, restrict the circuit board within all spatial ranges of the bottom shell, and the four buckles can ensure that the circuit board will not be offset when it is inverted. During welding, the structure only needs to be flattened into the selective wave soldering equipment, and the solder joints to be welded can be sprayed by the selective wave soldering nozzle, and the welding time and wave crest height can be accurately controlled, which significantly improves the assembly efficiency and welding efficiency to adapt to the production efficiency of the existing smart electric energy meters. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the present application, the following briefly introduces the drawings required for use in the embodiments. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without inventiveness.

[0014] Figure 1 A schematic diagram of a bottom shell welding structure adapted for automated production of smart electric energy meters provided in an embodiment of the present application;

[0015] Figure 2 A schematic diagram of a welding process of a bottom shell welding structure adapted for automated production of a smart electric energy meter provided in an embodiment of the present application;

[0016] In the figure: 1. first buckle; 2. first supporting rib; 3. first positioning column; 4. second supporting rib; 5. second buckle; 6. first supporting column; 7. second supporting column; 8. third buckle; 9. third supporting rib; 10. second positioning column; 11. fourth buckle; 12. fourth supporting rib; 13. fifth supporting rib; 14. bottom shell; 15. circuit board; 16. nozzle. DETAILED DESCRIPTION

[0017] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings.

[0018] The core of this application is to provide a bottom shell welding structure adapted to the automated production of smart electric energy meters, which solves the problem that the existing welding method has a long production cycle and low production efficiency and can no longer meet the production efficiency of existing smart electric energy meters.

[0019] Figure 1 A schematic diagram of a bottom shell welding structure adapted for automated production of smart electric energy meters provided in an embodiment of the present application. Figure 2 A schematic diagram of the welding process of a bottom shell welding structure adapted for the automated production of a smart electric energy meter provided in an embodiment of the present application, see Figure 1 to Figure 2 shown. Figure 1 The Arabic numerals 1, 2, 3, and 4 at the bottom are the four current holes of the single-phase ammeter.

[0020] Example 1

[0021] A bottom shell welding structure adapted for automated production of smart electric energy meters, comprising a circuit board 15, a bottom shell 14, and a first buckle 1, a second buckle 5, a third buckle 8, a fourth buckle 11, a first support rib 2, a second support rib 4, a third support rib 9, a fourth support rib 12, a fifth support rib 13, a first positioning column 3, a second positioning column 10, a first support column 6, and a second support column 7 installed in the bottom shell 14;

[0022] After installation, the first buckle 1 and the second buckle 5 are respectively located at the opposite inner sides of the bottom shell 14, the third buckle 8 and the fourth buckle 11 are located on the same side of the bottom shell 14 adjacent to the first buckle 1, the first support rib 2 is arranged on the same side as the second buckle 5, the second support rib 4 and the third support rib 9 are arranged on the same side as the third buckle 8, the fourth support rib 12 and the fifth support rib 13 are arranged on the same side as the fourth buckle 11, the first positioning column 3 and the second positioning column 10 are respectively located at adjacent corners of the bottom shell 14, the first support column 6 and the second support column 7 are located on the bottom plate of the bottom shell 14; the circuit board 15 is not drawn in the figure, and the bottom shell 14 and the circuit board 15 are adapted to each other.

[0023] During automated production, after the circuit board 15 is buckled into the bottom shell 14, the first buckle 1 will deform to the left to facilitate the placement of the circuit board 15 in a limited position; the second buckle 5 will deform to the right to facilitate the placement of the circuit board 15 in a limited position, and the second support rib 4 will ensure that the circuit board 15 is accurately positioned; when the circuit board 15 is placed in the bottom shell 14, the third buckle 8 will deform to the left to facilitate the placement of the circuit board 15 in a limited position, and the third support rib 9 will ensure that the circuit board 15 components are accurately positioned; when the circuit board 15 is placed in the bottom shell 14, the fourth buckle 11 will deform to the right to facilitate the placement of the circuit board 15 in a limited position; during welding, the surface of the circuit board 15 is turned down and placed in the corresponding selective wave soldering equipment, and the selective wave soldering nozzle 16 sprays liquid on the solder joints to be welded, and heats and welds the parts to be welded. Through parameterized settings, the welding time and wave crest height can be accurately controlled, which significantly improves the assembly efficiency and welding efficiency.

[0024] Example 2

[0025] On the basis of Example 1, a bottom shell welding structure adapted for the automated production of a smart energy meter, preferably, in order to improve the limiting stability of the circuit board 15, the second support rib 4 is arranged close to the second buckle 5, and the third support rib 9 is arranged close to the third buckle 8. In this embodiment, a bottom shell welding structure adapted for the automated production of a smart energy meter, the first positioning column 3 is arranged close to the second support rib 4, and the second positioning column 10 is arranged close to the third support rib 9. In this embodiment, a bottom shell welding structure adapted for the automated production of a smart energy meter, the first support rib 2 is arranged close to the first positioning column 3.

[0026] On the basis of Example 1, a bottom shell welding structure adapted to the automated production of a smart electric energy meter is provided, wherein the fourth supporting rib 12 and the fifth supporting rib 13 are both arranged close to the fourth buckle 11 .

[0027] The utility model provides a bottom shell welding structure adapted to the automated production of smart electric energy meters, comprising a circuit board 15, a bottom shell 14 and four buckles installed in the bottom shell 14, five supporting ribs, two positioning columns and two supporting columns; the first positioning column 3 and the second positioning column 10 are respectively located at adjacent corners of the bottom shell 14, the first supporting column 6 and the second supporting column 7 are located on the bottom plate of the bottom shell 14, when in use, the circuit board 15 is buckled in the bottom shell 14, the four buckles are distributed around the bottom shell 14 and the position relationship between the five supporting ribs and the four buckles can accurately fix the circuit board 15 front and back, left and right, and restrict the circuit board 15 within all spatial ranges of the bottom shell 14, and the four buckles can ensure that the circuit board 15 will not be offset when it is inverted. When welding, it is only necessary to flatly place the structure into the selective wave soldering equipment, and the solder joints to be welded can be sprayed by the selective wave soldering nozzle 16, and the welding time and wave crest height can be accurately controlled, and the assembly efficiency and welding efficiency can be significantly improved to adapt to the production efficiency of the existing smart electric energy meters.

[0028] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the application disclosed herein. The present application is intended to cover any variations, uses or adaptations of the present application, which follow the general principles of the present application and include common knowledge or customary technical means in the art disclosed in the present application. The specification and examples are to be regarded as exemplary only, and the true scope of the present application is indicated by the claims.

[0029] It should be understood that the present application is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The above-described embodiments of the present application do not constitute a limitation on the scope of protection of the present application.

Claims

1. A bottom shell welding structure adapted for automated production of smart electric energy meters, characterized in that: include: A circuit board (15), a bottom shell (14), and a first buckle (1), a second buckle (5), a third buckle (8), a fourth buckle (11), a first supporting rib (2), a second supporting rib (4), a third supporting rib (9), a fourth supporting rib (12), a fifth supporting rib (13), a first positioning column (3), a second positioning column (10), a first supporting column (6), and a second supporting column (7) installed in the bottom shell (14); The first buckle (1) and the second buckle (5) are respectively located on opposite inner sides of the bottom shell (14); the third buckle (8) and the fourth buckle (11) are located on the same side of the bottom shell (14) adjacent to the first buckle (1); the first support rib (2) and the second buckle (5) are arranged on the same side; the second support rib (4) and the third support rib (9) are arranged on the same side as the third buckle (8); the fourth support rib (12) and the fifth support rib (13) are arranged on the same side as the fourth buckle (11); the first positioning column (3) and the second positioning column (10) are respectively located at adjacent corners of the bottom shell (14); and the first support column (6) and the second support column (7) are located on the bottom plate of the bottom shell (14); The circuit board (15) is buckled in the bottom shell (14).

2. The bottom shell welding structure adapted for automated production of smart electric energy meters according to claim 1 is characterized in that: The second supporting rib (4) is arranged close to the second buckle (5), and the third supporting rib (9) is arranged close to the third buckle (8).

3. The bottom shell welding structure adapted for automated production of smart electric energy meters according to claim 1 is characterized in that: The fourth supporting rib (12) and the fifth supporting rib (13) are both arranged close to the fourth buckle (11).

4. The bottom shell welding structure adapted for automated production of smart electric energy meters according to claim 2 is characterized in that: The first positioning column (3) is arranged close to the second supporting rib (4), and the second positioning column (10) is arranged close to the third supporting rib (9).

5. The bottom shell welding structure adapted for automated production of smart electric energy meters according to claim 4 is characterized in that: The first supporting rib (2) is arranged close to the first positioning column (3).

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