Detection tool for single-phase electric energy meter

Abstract

The utility model provides a detection tool for a single-phase electric energy meter, which comprises a detection table and a plurality of detection stations arranged on the detection table, each detection station is provided with a power-on detection mechanism in contact with a signal terminal and a current terminal of the electric energy meter, and each detection station is further provided with a placement cavity for placing the electric energy meter. A pressure spring is arranged on the placement cavity, one side, opposite to the electric energy meter, of the pressure spring is linked with a light touch switch, the light touch switch is electrically connected with the power-on detection mechanism, and the pressure spring has a first position separated from the light touch switch and a second position which is in contact with the light touch switch and drives the power-on detection mechanism to be powered on. The detection tool can guarantee the personal safety of operators in the detection process.

Description

Technical Field

[0001] This utility model relates to the field of testing fixtures for electricity meters, specifically to a testing fixture for single-phase electricity meters. Background Technology

[0002] Electricity meters are used to accurately measure and record the total amount of electricity consumed by users, providing a basis for electricity billing. To ensure accurate metering and safe operation after power-on, and to prevent metering inaccuracies or safety hazards caused by incorrect installation or equipment failure, electricity meters generally need to be tested before leaving the factory. In the current technology, testing electricity meters mostly requires operators to use pliers or directly take the voltage and signal terminal wires and connect them to the voltage and signal terminals to see if the electricity meter is powered on normally and whether the function test is normal. This testing method is not only cumbersome, but if the 220V power is not disconnected during the testing process, the operator is at risk of electric shock. Utility Model Content

[0003] Therefore, the technical problem to be solved by this utility model is to overcome the defects of the cumbersome and unsafe detection methods in the prior art, and thus provide a single-phase energy meter testing fixture that can safely and quickly detect whether the energy meter can operate safely.

[0004] Therefore, this utility model provides a testing fixture for a single-phase energy meter, including a testing platform and several testing stations set on the testing platform. Each testing station is provided with an energizing testing mechanism that contacts the signal terminals and current terminals of the energy meter. The testing station is also provided with a placement cavity for placing the energy meter. A compression spring is provided on the placement cavity. The side of the compression spring facing away from the energy meter is linked to a tactile switch. The tactile switch is electrically connected to the energizing testing mechanism. The compression spring has a first position where it is separated from the tactile switch and a second position where it is in contact with the tactile switch and drives the energizing testing mechanism to be energized.

[0005] Furthermore: the testing platform includes a base plate, a support plate disposed on the base plate, and an inclined panel that is attached to the electricity meter. The inclined panel and the base plate form an angle of 0°-90°. A connecting plate for supporting the electricity meter is fixed on the inclined panel. The placement cavity is formed by the connecting plate and the inclined panel. The power-on detection mechanism is disposed on the connecting plate.

[0006] Furthermore: the power-on detection mechanism includes a plurality of first plug rods inserted into the current terminals and a plurality of second plug rods inserted into the signal terminals.

[0007] Furthermore: the inclined panel, the base plate, and the support plate together form a hollow triangular support structure. A fixing plate for fixing the tactile switch is provided on the back of the inclined panel. The fixing plate is perpendicular to the inclined panel, and the tactile switch is positioned on the fixing plate.

[0008] Furthermore, the inclined panel is provided with a clearance groove for avoiding the compression spring.

[0009] Furthermore, the inclined panel is provided with limiting plates for abutting against the left and right sides of the electricity meter.

[0010] The technical solution of this utility model has the following advantages:

[0011] 1. This utility model provides a testing fixture for a single-phase energy meter. When testing a single-phase energy meter, the energy meter needs to be placed upright on the placement cavity of the testing station. The back of the energy meter will automatically compress the spring. After the spring is compressed, it will trigger the pressing part on the tactile switch, thereby opening the tactile switch. The tactile switch is connected to the power-on detection mechanism. When the tactile switch is opened, the power-on detection mechanism is energized. Since the power-on detection mechanism is inserted into the signal terminal and the current terminal, it can make the signal terminal and the current terminal energized, thus successfully detecting whether the single-phase energy meter can be energized normally.

[0012] 2. The present invention provides a testing fixture for a single-phase electricity meter. The testing table includes a base plate, a support plate, and an inclined panel. An acute angle is formed between the base plate and the inclined panel. A connecting plate is provided on the inclined panel. The electricity meter is placed on the connecting plate. The back of the electricity meter can fully compress the compression spring through its own weight, thereby energizing the power-on testing mechanism and enabling the electricity meter to complete the testing. Attached Figure Description

[0013] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0014] Figure 1 A schematic diagram of the single-phase energy meter testing fixture;

[0015] Figure 2 Another structural schematic diagram of a single-phase energy meter testing fixture;

[0016] Figure 3 This is a side view diagram of the testing fixture for a single-phase electricity meter.

[0017] Explanation of reference numerals in the attached figures:

[0018] 1. Testing table; 10. Tactile switch; 11. Placement base plate; 12. Support plate; 13. Inclined panel; 2. Testing station; 3. Power-on testing mechanism; 31. First connector rod; 32. Second connector rod; 4. Placement cavity; 5. Compression spring; 6. Connecting plate; 7. Fixing plate; 8. Clearance groove; 9. Limiting plate. Detailed Implementation

[0019] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0023] Example

[0024] This embodiment provides a testing fixture for a single-phase energy meter, including a testing platform 1 and several testing stations 2 disposed on the testing platform 1. Each testing station 2 is provided with a power-on testing mechanism 3 that contacts the signal terminals and current terminals of the energy meter. Each testing station 2 is also provided with a placement cavity 4 for placing the energy meter. A compression spring 5 is disposed on the placement cavity 4. The side of the compression spring 5 facing away from the energy meter is linked to a tactile switch 10. The tactile switch 10 is electrically connected to the power-on testing mechanism 3. The compression spring 5 has a first position that is separated from the tactile switch 10 and a second position that is in contact with the tactile switch 10 and drives the power-on testing mechanism 3 to be energized.

[0025] The specific improvements mentioned above are as follows: Figure 1 and Figure 2 As shown, when testing a single-phase energy meter, the energy meter needs to be placed upright on the placement cavity 4 of the testing station 2. The back of the energy meter will automatically compress the spring 5. After the spring 5 is compressed, it will trigger the pressing part on the tactile switch 10 to press, thereby opening the tactile switch 10. The tactile switch 10 is connected to the power-on detection mechanism 3. When the tactile switch 10 is opened, the power-on detection mechanism 3 is energized. Since the power-on detection mechanism 3 is inserted into the signal terminal and the current terminal, it can make the signal terminal and the current terminal energized, thus successfully detecting whether the single-phase energy meter can be energized normally.

[0026] Based on the above embodiments: the testing platform 1 includes a base plate 11, a support plate 12 disposed on the base plate, and an inclined panel 13 that is attached to the electricity meter. The inclined panel 13 and the base plate 11 form an angle of 0°-90°. A connecting plate 6 for supporting the electricity meter is fixed on the inclined panel 13. The placement cavity 4 is formed by the connecting plate 6 and the inclined panel 13. The power-on detection mechanism 3 is disposed on the connecting plate 6.

[0027] The specific improvements mentioned above are as follows: Figure 3 As shown, the testing platform 1 includes a base plate 11, a support plate 12, and an inclined panel 13. The base plate 11 and the inclined panel 13 form an acute angle. A connecting plate 6 is provided on the inclined panel 13. The energy meter is placed on the connecting plate 6. The back of the energy meter can fully compress the compression spring 5 by its own weight, thereby energizing the power-on testing mechanism 3 and enabling the energy meter to complete the test.

[0028] Based on the above embodiments: the power-on detection mechanism 3 includes a plurality of first plug rods 31 inserted into the current terminal and a plurality of second plug rods 32 inserted into the signal terminal.

[0029] The specific improvements mentioned above are as follows: Figure 2As shown, the power-on detection mechanism 3 includes several first plug-in rods 31 and second plug-in rods 32. The first plug-in rods 31 are connected to current terminals to detect whether the current is energized. The second plug-in rods 32 are connected to signal terminals to detect whether the signal terminals are energized. There are four first plug-in rods 31 in total, with the two on the left connected to the live wire and the two on the right connected to the neutral wire. There are four second plug-in rods 32 in total, with the two on the left connected to the relay control model and the two on the right connected to the 485 communication model.

[0030] Based on the above embodiments: the inclined panel 13, the base plate 11 and the support plate 12 form a hollow triangular support structure. A fixing plate 7 for fixing the tactile switch 10 is provided on the back of the inclined panel 13. The fixing plate 7 is perpendicular to the inclined panel 13, and the tactile switch 10 is positioned on the fixing plate 7.

[0031] The specific improvements mentioned above are as follows: Figure 3 As shown, in order to effectively fix the position of the tactile switch 10, a fixing plate 7 is provided on the back of the inclined panel 13. The tactile switch 10 is positioned on the fixing plate 7, which can ensure that when the energy meter is against the connecting plate 6, the compression spring 5 can be effectively squeezed, thereby triggering the tactile switch 10 to be energized.

[0032] Based on the above embodiments: the inclined panel 13 is provided with a relief groove 8 for avoiding the compression spring 5.

[0033] The specific improvements mentioned above are as follows: Figure 1 As shown, to ensure that placing the energy meter on the connecting plate 6 triggers the tactile switch 10 to energize, thereby energizing the first plug rod 31 and the second plug rod 32, a clearance groove 8 is provided on the inclined panel 13 for the compression spring 5 to pass through. Thus, when the energy meter is placed on the connecting plate 6, the energy meter can trigger the tactile switch 10 to energize, ultimately energizing the first plug rod 31 and the second plug rod 32. When the energy meter is removed, the compression spring 5 resets due to its own elastic force, and the tactile switch 10 is de-energized, thus ensuring that the first plug rod 31 and the second plug rod 32 are also de-energized. In this way, during the testing process, it can effectively prevent operators from accidentally touching the energized first plug rod 31 and the second plug rod 32 and causing an electric shock accident.

[0034] Based on the above embodiments: the inclined panel 13 is provided with limiting plates 9 for abutting against the left and right sides of the electricity meter.

[0035] The specific improvements mentioned above are as follows: Figure 2 As shown, in order to ensure that the current terminals and signal terminals can be accurately and quickly adapted to the first plug-in rod 31 and the second plug-in rod 32 when the energy meter is placed on the connecting plate 6, limiting plates 9 are provided on both sides of the inclined panel 13 to abut against the left and right sides of the energy meter to quickly determine the placement position of the energy meter.

[0036] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A testing fixture for a single-phase energy meter, characterized in that: The device includes a testing platform (1) and several testing stations (2) set on the testing platform (1). Each testing station (2) is equipped with a power-on testing mechanism (3) that contacts the signal terminal and current terminal of the energy meter. Each testing station (2) is also equipped with a placement cavity (4) for placing the energy meter. A compression spring (5) is set on the placement cavity (4). The side of the compression spring (5) facing away from the energy meter is linked to a tactile switch (10). The tactile switch (10) is electrically connected to the power-on testing mechanism (3). The compression spring (5) has a first position that is separated from the tactile switch (10) and a second position that is in contact with the tactile switch (10) and drives the power-on testing mechanism (3) to be energized.

2. The testing fixture for a single-phase energy meter according to claim 1, characterized in that: The testing platform (1) includes a base plate (11), a support plate (12) disposed on the base plate, and an inclined panel (13) that is attached to the electricity meter. The inclined panel (13) and the base plate (11) form an angle of 0°-90°. A connecting plate (6) for supporting the electricity meter is fixed on the inclined panel (13). The placement cavity (4) is formed by the connecting plate (6) and the inclined panel (13). The power-on detection mechanism (3) is disposed on the connecting plate (6).

3. The testing fixture for a single-phase energy meter according to claim 1, characterized in that: The power-on detection mechanism (3) includes a plurality of first plug rods (31) inserted into the current terminal and a plurality of second plug rods (32) inserted into the signal terminal.

4. The testing fixture for a single-phase energy meter according to claim 2, characterized in that: The inclined panel (13), the base plate (11), and the support plate (12) form a hollow triangular support structure. A fixing plate (7) for fixing the tactile switch (10) is provided on the back of the inclined panel (13). The fixing plate (7) is perpendicular to the inclined panel (13), and the tactile switch (10) is positioned on the fixing plate (7).

5. The testing fixture for a single-phase energy meter according to claim 4, characterized in that: The inclined panel (13) is provided with a clearance groove (8) for avoiding the compression spring (5).

6. The testing fixture for a single-phase energy meter according to claim 5, characterized in that: The inclined panel (13) is provided with limiting plates (9) for abutting against the left and right sides of the electricity meter.

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