Battery mounting structure for liquid crystal of electric energy meter

Abstract

The utility model provides a battery mounting structure for liquid crystal of an electric energy meter, which comprises a circuit board, a battery and a connector, the battery and the connector are mounted on the circuit board, positive and negative pins of the battery are correspondingly connected with terminals of the connector and are used for supplying power to the liquid crystal, and the connector is provided with two welding pins and a plurality of elastic inverted buckles which are arranged at the lower part. The circuit board is provided with welding holes for the welding pins to be inserted, welded and fixed and first mounting holes corresponding to the elastic inverted buckles, and the elastic inverted buckles penetrate through the first mounting holes and then abut against the back hook of the circuit board to form reliable temporary mechanical positioning, so that the dependence on additional auxiliary tools in the welding process is completely eliminated. Therefore, the assembly efficiency and the process consistency are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric energy meter, concretely relates to a liquid crystal battery mounting structure of electric energy meter. BACKGROUND

[0002] The existing electric energy meter circuit board is usually provided with a battery for supplying power to a liquid crystal display module, and the battery is electrically connected with the electric energy meter through a plug-in connector. A soldering jack is arranged on the circuit board for inserting the pin of the plug-in connector. During assembly, the pin of the plug-in connector is first inserted into the jack on the circuit board, and then the whole is placed into a special tool for auxiliary positioning, and finally soldering is performed to fix the connection. The above process not only increases the complexity of the production process and the equipment cost, but also affects the efficiency and consistency of the soldering operation, and restricts the improvement of the overall production efficiency. SUMMARY

[0003] Therefore, the utility model wants to overcome the defects in the prior art, so as to provide a liquid crystal battery mounting structure of electric energy meter which is quick and convenient to solder and has high production efficiency.

[0004] Therefore, the utility model provides a liquid crystal battery mounting structure of electric energy meter, which comprises a circuit board, a battery and a plug-in connector mounted on the circuit board, the positive and negative pins of the battery are connected with the terminals of the plug-in connector in correspondence, for supplying power to the liquid crystal, the plug-in connector has two soldering pins arranged below and a plurality of elastic reverse buckles, the circuit board is formed with a soldering hole for inserting and soldering the soldering pin, and a first mounting hole corresponding to the elastic reverse buckle, the elastic reverse buckle passes through the first mounting hole and hooks the back surface of the circuit board.

[0005] The elastic reverse buckle has a guide slope arranged below and a blocking surface arranged above, and the blocking surface is used for abutting against the back surface of the circuit board.

[0006] The three elastic reverse buckles are distributed in a triangular shape on the outer wall of the plug-in connector.

[0007] The bottom of the plug-in connector has an abutting block adjacent to the soldering pin and extending outward, and the abutting block is connected with the front surface of the circuit board.

[0008] One of the elastic reverse buckles is formed on the outer wall of the abutting block, and a reinforcing rib is arranged between the elastic reverse buckle and the outer wall of the plug-in connector.

[0009] The circuit board is formed with a second mounting hole for passing the battery.

[0010] The plug-in connector has a positioning hole between the two terminals, and the battery is formed with a positioning column matched with the positioning hole.

[0011] The technical scheme of the utility model has the following advantages:

[0012] 1. The battery mounting structure for liquid crystal provided by the utility model has two welding feet and a plurality of elastic reverse buckles arranged below, the circuit board is formed with welding holes for the welding feet to be inserted and fixed by welding and first mounting holes corresponding to the elastic reverse buckles, and the elastic reverse buckles can be hooked through the back of the circuit board before welding to form reliable temporary mechanical positioning, which completely eliminates the dependence on additional auxiliary tooling in the welding process, and greatly improves the assembly efficiency and process consistency compared with the prior art.

[0013] 2. The battery mounting structure for liquid crystal provided by the utility model, the guide slope ensures that the reverse buckle can be smoothly and non-damagingly inserted into the mounting hole, reducing the assembly difficulty and the risk of component damage.

[0014] 3. The battery mounting structure for liquid crystal provided by the utility model, by arranging the abutting block, the abutting block can form a surface contact support between the bottom of the connector and the front of the circuit board, so that the stress (such as the battery plug-in force) borne by the connector can be more evenly dispersed, and the overall structural strength is improved.

[0015] 4. The battery mounting structure for liquid crystal provided by the utility model, the second mounting hole is arranged on the circuit board for the battery to pass through, so that the battery can reasonably utilize the space below the circuit board, thereby reducing the height of the entire electric energy meter shell, in addition, the second mounting hole also provides direct physical positioning and constraint for the battery itself, preventing it from shaking on the circuit board, and ensuring the stability of the alignment of the battery pin and the connector terminal. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0017] Figure 1 It is a first perspective view of the battery mounting structure for liquid crystal of the utility model;

[0018] Figure 2 It is an exploded structural schematic view of the battery and the connector;

[0019] Figure 3 It is a second perspective view of the battery mounting structure for liquid crystal;

[0020] Figure 4 It is Figure 3Enlarged structural schematic view of the middle A part.

[0021] Explanation of reference numerals: 1, circuit board; 2, battery; 3, connector; 4, positive and negative electrode pins; 5, terminal; 6, soldering leg; 7, elastic inverted buckle; 8, soldering hole; 9, first mounting hole; 10, guide inclined surface; 11, blocking surface; 12, abutting block; 13, reinforcing rib; 14, second mounting hole; 15, positioning hole; 16, positioning column. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict between them.

[0026] EMBODIMENT

[0027] The present embodiment provides a battery mounting structure for liquid crystal of an electric energy meter, as shown in Figure 1 The battery mounting structure for liquid crystal of the electric energy meter includes a circuit board 1, and a battery 2 and a connector 3 mounted on the circuit board 1.

[0028] The battery 2, as shown in Figure 2As shown, the positive and negative pins 4 of the battery 2 are connected to the terminals 5 of the connector 3, for supplying power to the liquid crystal.

[0029] The circuit board 1, as shown in Figure 3 and Figure 4 The circuit board 1 is formed with a solder hole 8 for inserting the solder pin 6, and a first mounting hole 9 corresponding to the elastic undercut 7. The circuit board 1 is also formed with a second mounting hole 14 for inserting the battery 2.

[0030] The connector 3, as shown in Figure 2 and Figure 4 The connector 3 has terminals 5 on the top, and two solder pins 6 and multiple elastic undercuts 7 on the bottom. The elastic undercuts 7 have a guide slope 10 on the bottom, and a blocking surface 11 on the top. After the elastic undercuts 7 pass through the first mounting hole 9, the blocking surface 11 abuts against the back of the circuit board 1. In this embodiment, there are three elastic undercuts 7, which are distributed in a triangular shape on the outer wall of the connector 3. The bottom of the connector 3 has an abutting block 12 adjacent to the solder pin 6 and extending outward. The abutting block 12 is connected to the front of the circuit board 1, and one of the elastic undercuts 7 is formed on the outer wall of the abutting block 12. A reinforcing rib 13 is arranged between the elastic undercut 7 and the outer wall of the connector 3. The connector 3 has a positioning hole 15 between the two terminals 5, and the battery 2 is formed with a positioning column 16 which is adapted to be inserted into the positioning hole 15.

[0031] The battery mounting structure for liquid crystal provided by the present application can hook and hang on the back of the circuit board 1 before welding, to form reliable temporary mechanical positioning, which completely eliminates the dependence on additional auxiliary tools in the welding process, and greatly improves the assembly efficiency and process consistency compared with the prior art.

[0032] Obviously, the above embodiments are only examples for clearly illustrating, and not limiting the embodiments. For those skilled in the art, other different forms of changes or modifications can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the embodiments. The obvious changes or modifications derived therefrom are still within the protection scope of the present application.

Claims

1. A battery mounting structure for a liquid crystal display in an electricity meter, characterized in that, The utility model relates to a kind of liquid crystal power supply, including circuit board (1), and battery (2) and connector (3) installed on the circuit board (1), the positive and negative pole pin (4) of the battery (2) is connected with the terminal (5) of the connector (3) corresponding, for liquid crystal power supply, the connector (3) has two welding legs (6) and multiple elastic reverse buckling (7) arranged below, the circuit board (1) is formed with the welding hole (8) for the welding leg (6) insertion welding fixation, and first mounting hole (9) is arranged corresponding with the elastic reverse buckling (7), the elastic reverse buckling (7) is hung after passing through the first mounting hole (9), with the back of the circuit board (1) is resisted.

2. The battery mounting structure for liquid crystal of an electric energy meter according to claim 1, characterized in that, The elastic reverse buckling (7) has guiding slope (10) arranged below, and blocking surface (11) is arranged above, and the blocking surface (11) is used to resist with the back of the circuit board (1).

3. The battery mounting structure for liquid crystal of an electric energy meter according to claim 1, characterized in that, The elastic reverse buckling (7) has three, three the elastic reverse buckling (7) is distributed on the outer wall of the connector (3) in triangle.

4. The battery mounting structure for liquid crystal of an electric energy meter according to claim 1, characterized in that, The bottom of the connector (3) has abutting block (12) adjacent to the welding leg (6) and extending outward, and the abutting block (12) is connected with the front surface of the circuit board (1) and is attached.

5. The battery mounting structure for liquid crystal of an electric energy meter according to claim 4, characterized in that, One of the elastic reverse buckling (7) is formed on the outer wall of the abutting block (12), and reinforcing rib (13) is arranged between the elastic reverse buckling (7) and the outer wall of the connector (3).

6. The battery mounting structure for liquid crystal of an electric energy meter according to claim 1, characterized in that, The circuit board (1) is formed with second mounting hole (14) for the battery (2) to pass through.

7. The battery mounting structure for liquid crystal of an electric energy meter according to claim 1, characterized in that, The connector (3) has positioning hole (15) between two terminals (5), and the battery (2) is formed with positioning column (16) matched with the positioning hole (15).

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