Electric energy meter detection tool
Patent Information
- Application Number
- CN202521472715.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-14
- Publication Date
- 2026-05-12
- Estimated Expiration
- 2035-07-14
AI Technical Summary
Existing electricity meter testing methods have difficulty in quickly adjusting the relative position of the testing plug, resulting in low testing efficiency, especially when dealing with electricity meters of different batches and specifications, which affects the accuracy and efficiency of testing.
A testing fixture for electricity meters was designed. The fixture uses an electric telescopic rod to drive a mounting plate and a sliding block structure, combined with a threaded sleeve and a limiting component, to achieve rapid adjustment and fixation of the test plug. With the help of an electric conveyor belt and a guide component, it ensures that the plug is aligned with the test point of the electricity meter, reducing friction and protecting the surface.
It enables rapid and accurate testing of electricity meters of different specifications, improves testing efficiency and data accuracy, and ensures the stability and non-destructive protection of electricity meters during the testing process.
Smart Images

Figure CN224231960U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of electricity meter testing technology, and specifically relates to an electricity meter testing fixture. Background Technology
[0002] An electricity meter, also known as an energy meter or electricity meter, is an instrument used to measure the consumption of electrical energy. It is usually used to measure the electrical energy consumed by households, businesses or other electricity users within a certain period of time, and is displayed in kilowatt-hours (kWh). It is an indispensable part of the power system. Currently, electricity meters need to be tested during the production process to ensure that they meet the factory standards.
[0003] Currently, electricity meter testing methods mainly include manual testing and more automated methods. Traditional manual testing involves sequentially contacting the testing instrument with each testing point of the electricity meter to complete the test. Intelligent testing often uses an electric telescopic rod to move the testing plug and bring it into contact with the electricity meter. Although both methods can complete the testing of electricity meters, some problems still exist in practical applications. For example, although the testing process has been automated, the testing plug is usually fixed with bolts. When dealing with electricity meters of different batches and specifications, it is difficult to quickly adjust the relative positions of the plugs, thus affecting the overall testing efficiency. Utility Model Content
[0004] In view of this, the present invention provides a testing fixture for electricity meters. Through the testing unit, the relative position of the testing plug can be quickly adjusted to adapt to the testing requirements of electricity meters of different specifications. The testing plug can be quickly aligned and inserted into the corresponding test point of the electricity meter to be tested, ensuring accurate testing.
[0005] To solve the above-mentioned technical problems, this utility model provides a power meter testing fixture, including a workbench and an electric conveyor belt mounted on top of it. A testing unit is provided on the upper part of the workbench, including a fixed frame mounted on the upper part of the workbench. An electric telescopic rod is mounted on the fixed frame, and a mounting plate is provided at the telescopic end of the electric telescopic rod. A groove is provided at the lower end of the mounting plate, and several sliding blocks are movably arranged in the groove. The upper end of each sliding block has a T-shaped structure, and the lower end of each sliding block has a cylindrical structure. A testing plug is provided at the lower end of each sliding block, and a threaded sleeve is threadedly connected to the outer arc surface of the lower end of the sliding block. The upper end of each threaded sleeve abuts against the mounting plate, allowing for rapid adjustment of the relative position of the testing plug to adapt to the testing requirements of power meters of different specifications. This enables the testing plug to be quickly aligned and inserted into the corresponding test point of the power meter under test, ensuring accurate testing.
[0006] The detection unit includes guide rods symmetrically arranged on the upper part of the mounting plate. Each guide rod is provided with a guide hole on the fixing frame, which serves as a guide and sliding support.
[0007] It also includes a limiting component, which includes a rectangular plate set on one side of the mounting plate. Sliding rods are slidably connected to both ends of the rectangular plate. A pressure plate is provided at the lower end between the two sliding rods. A symmetrically distributed spring is provided between the upper end of the pressure plate and the lower end of the rectangular plate. The springs are respectively movably sleeved on the outer side of the adjacent sliding rods on the same side, which plays a fixed limiting role for the electricity meter.
[0008] The limiting component also includes a rubber pad located at the lower end of the pressure plate, which serves to protect the surface of the electricity meter from scratches.
[0009] It also includes a guide assembly, which includes fixed rods symmetrically arranged on the upper sides of both ends of the fixed frame, and a guide plate slidably connected between the two fixed rods, which guides the movement of the electricity meter.
[0010] The guide assembly also includes a bidirectional lead screw rotatably connected to the inner cavity of the fixed frame. The two ends of the bidirectional lead screw are respectively threadedly connected to the screw holes provided on the adjacent guide plates on the same side, thus playing a role in synchronous driving.
[0011] The guide assembly also includes several rotating rollers that are rotatably connected to the lower end of the inner side of the guide plate, which effectively reduces the coefficient of friction on the electricity meter.
[0012] The beneficial effects of the above-mentioned technical solution of this utility model are as follows:
[0013] 1. Based on the specifications of a batch of electricity meters, the position of the test plug is adjusted by the relative sliding between the sliding block and the slide groove. After adjustment, the threaded sleeve is tightened, thereby using the cooperation of the threaded sleeve and the sliding block to clamp and limit the fixed position of the test plug. This allows for quick adjustment of the relative position of the test plug to adapt to the testing requirements of different specifications of electricity meters. After adjustment, the electric conveyor belt is started, and the operator places the electricity meters at a uniform speed from its feed end. The electric conveyor belt transports the electricity meters to directly below the test plug. At this time, the electric telescopic rod is activated, and its telescopic end drives the mounting plate and its auxiliary structures to move down, thereby quickly aligning the test plug with the corresponding test point of the electricity meter to be tested, ensuring accurate testing.
[0014] 2. Rotating the bidirectional lead screw causes two guide plates to move towards or away from each other along the fixed rod, thereby adjusting the distance between them to guide and transport the electricity meter, ensuring that it can move accurately to the detection position. The design of the rotating roller effectively reduces the coefficient of friction, ensuring the smooth movement of the electricity meter.
[0015] 3. To ensure the stability of the test, the pressure plate will first contact the electricity meter. As the mounting plate continues to move down, the spring is compressed and at the same time provides a reverse force to the mounting plate, thereby pressing the electricity meter tightly. The rubber pad protects the surface of the electricity meter from scratches, further improving the test efficiency and the accuracy of the data. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the main structure of an energy meter testing fixture according to the present invention;
[0017] Figure 2 This is an enlarged structural diagram of point A in this utility model;
[0018] Figure 3 This is a cross-sectional structural diagram of the present invention;
[0019] Figure 4 This is an enlarged structural diagram of section B of this utility model.
[0020] Explanation of reference numerals in the attached drawings: 100, workbench; 200, electric conveyor belt; 300, fixed frame; 301, electric telescopic rod; 302, mounting plate; 303, chute; 304, sliding block; 305, detection plug; 306, threaded sleeve; 307, guide rod; 400, rectangular plate; 401, sliding rod; 402, pressure plate; 403, spring; 404, rubber pad; 500, fixed rod; 501, guide plate; 502, double-acting lead screw; 503, rotating roller. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings of the embodiments of this utility model. Figure 1-4 The technical solutions of the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.
[0022] This embodiment provides a power meter testing fixture, such as... Figure 1-4As shown: The device includes a workbench 100 and an electric conveyor belt 200 mounted on its upper end. A detection unit is provided on the upper end of the workbench 100. The detection unit includes a fixed frame 300 mounted on the upper end of the workbench 100. An electric telescopic rod 301 is mounted on the fixed frame 300. The telescopic end of the electric telescopic rod 301 is provided with a mounting plate 302. The lower end of the mounting plate 302 is provided with a slide groove 303. Several sliding blocks 304 are movably arranged in the slide groove 303. The upper end of each sliding block 304 is T-shaped, and the lower end is cylindrical. A detection plug 305 is provided on the lower end of each sliding block 304. A threaded sleeve 306 is threadedly connected to the outer arc surface of the lower end of the sliding block 304. The upper end of each threaded sleeve 306 abuts against the mounting plate 302. The detection unit includes guide rods 307 symmetrically arranged on the upper end of the mounting plate 302. The fixed frame 300 is provided with guide holes that are slidably connected to each guide rod 307.
[0023] According to the specifications of a batch of electricity meters, the position of the test plug 305 is adjusted by the relative sliding between the sliding block 304 and the slide groove 303. After adjustment, the threaded sleeve 306 is tightened, thereby using the cooperation of the threaded sleeve 306 and the sliding block 304 to clamp and limit the fixed position of the test plug 305. This allows for quick adjustment of the relative position of the test plug to adapt to the testing requirements of different specifications of electricity meters. After adjustment, the electric conveyor belt 200 is started, and the operator places the electricity meters at a uniform speed from its feed end. The electric conveyor belt 200 transports the electricity meters to directly below the test plug 305. At this time, the electric telescopic rod 301 is activated, and its telescopic end drives the mounting plate 302 and its auxiliary structures to move downward, so that the test plug 305 is quickly aligned with the corresponding test point of the electricity meter to be tested, ensuring accurate testing.
[0024] like Figure 1-4 As shown, it also includes a limiting component, which includes a rectangular plate 400 disposed on one side of the mounting plate 302. Sliding rods 401 are slidably connected to both ends of the rectangular plate 400. A pressure plate 402 is provided at the lower end between the two sliding rods 401. A symmetrically distributed spring 403 is provided between the upper end of the pressure plate 402 and the lower end of the rectangular plate 400. The springs 403 are respectively movably sleeved on the outer side of the adjacent sliding rods 401 on the same side. The limiting component also includes a rubber pad 404 disposed at the lower end of the pressure plate 402.
[0025] To ensure the stability of the test, the pressure plate 402 will first contact the electricity meter. As the mounting plate 302 continues to move downward, the spring 403 is compressed and simultaneously provides a reverse force to the mounting plate 302, thereby pressing the electricity meter. The rubber pad 404 protects the surface of the electricity meter from scratches, further improving the test efficiency and the accuracy of the data.
[0026] like Figure 1-4As shown, it also includes a guide assembly, which includes fixed rods 500 symmetrically arranged on the upper sides of both ends of the fixed frame 300, and a guide plate 501 slidably connected between the two fixed rods 500. The guide assembly also includes a bidirectional lead screw 502 rotatably connected to the inner cavity of the fixed frame 300. The two ends of the bidirectional lead screw 502 are respectively threadedly connected to the screw holes provided on the adjacent guide plate 501 on the same side. The guide assembly also includes a plurality of rotating rollers 503 rotatably connected to the lower end of the inner side of the guide plate 501.
[0027] Rotating the bidirectional lead screw 502 causes the two guide plates 501 to move towards or away from each other along the fixed rod 500, thereby adjusting the distance between them to guide and transport the energy meter, ensuring that it can move accurately to the detection position. The design of the rotating roller 503 effectively reduces the coefficient of friction.
[0028] The working principle of the electricity meter testing fixture provided by this utility model is as follows: First, according to the specifications of a batch of electricity meters, the position of the test plug 305 is adjusted by the relative sliding between the sliding block 304 and the sliding groove 303. After adjustment, the threaded sleeve 306 is tightened, thereby using the cooperation of the threaded sleeve 306 and the sliding block 304 to clamp and limit the fixed position of the test plug 305. This allows for quick adjustment of the relative position of the test plug, adapting to the testing requirements of electricity meters of different specifications. Simultaneously, the bidirectional lead screw 502 is rotated, which drives the two guide plates 501 to move towards or away from each other along the fixed rod 500, thereby adjusting the distance between them and guiding and conveying the electricity meter, ensuring that it can move accurately to the testing position. The design of the rotating roller 503 effectively reduces the coefficient of friction, ensuring... After the electricity meter moves smoothly and is adjusted, the electric conveyor belt 200 is started. The operator places the electricity meter into the conveyor belt at a uniform speed from the feed end. The electric conveyor belt 200 transports the electricity meter to the area directly below the test plug 305. At this time, the electric telescopic rod 301 is activated, and its telescopic end drives the mounting plate 302 and its auxiliary structures to move downward, so that the test plug 305 can quickly align with the corresponding test point of the electricity meter to be tested, ensuring accurate testing. During this process, in order to ensure the stability of the test, the pressure plate 402 will first contact the electricity meter. As the mounting plate 302 continues to move downward, the spring 403 is compressed and at the same time provides a reverse force to the mounting plate 302, thereby pressing the electricity meter. The rubber pad 404 protects the surface of the electricity meter from scratches, further improving the testing efficiency and data accuracy.
[0029] Furthermore, it should be noted that, in the description of this utility model, 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 according to the specific circumstances.
[0030] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.
Claims
1. A testing fixture for electricity meters, characterized in that: The device includes a workbench (100) and an electric conveyor belt (200) mounted on its upper end. The upper end of the workbench (100) is provided with a detection unit. The detection unit includes a fixed frame (300) mounted on the upper end of the workbench (100). An electric telescopic rod (301) is installed on the fixed frame (300). The telescopic end of the electric telescopic rod (301) is provided with a mounting plate (302). The lower end of the mounting plate (302) is provided with a slide groove (303). Several sliding blocks (304) are movably arranged in the slide groove (303). The upper end of each sliding block (304) is T-shaped, and the lower end is cylindrical. The lower end of each sliding block (304) is provided with a detection plug (305). The lower outer arc surface of each sliding block (304) is threadedly connected with a threaded sleeve (306). The upper end of each threaded sleeve (306) abuts against the mounting plate (302).
2. The energy meter testing fixture as described in claim 1, characterized in that: The detection unit includes guide rods (307) symmetrically arranged on the upper end of the mounting plate (302), and the fixing frame (300) is provided with guide holes that are slidably connected to each guide rod (307).
3. The energy meter testing fixture as described in claim 1, characterized in that: It also includes a limiting component, which includes a rectangular plate (400) disposed on one side of the mounting plate (302). The two ends of the rectangular plate (400) are slidably connected to sliding rods (401). A pressure plate (402) is provided at the lower end between the two sliding rods (401). A symmetrically distributed spring (403) is provided between the upper end of the pressure plate (402) and the lower end of the rectangular plate (400). The springs (403) are respectively movably sleeved on the outside of the adjacent sliding rods (401) on the same side.
4. The energy meter testing fixture as described in claim 3, characterized in that: The limiting component also includes a rubber pad (404) disposed at the lower end of the pressure plate (402).
5. The energy meter testing fixture as described in claim 1, characterized in that: It also includes a guide assembly, which includes fixed rods (500) symmetrically arranged on the upper sides of both ends of the fixed frame (300), and a guide plate (501) is slidably connected between the two fixed rods (500).
6. The energy meter testing fixture as described in claim 5, characterized in that: The guide assembly also includes a bidirectional lead screw (502) rotatably connected to the inner cavity of the fixed frame (300), and the two ends of the bidirectional lead screw (502) are respectively threadedly connected to the screw holes provided on the adjacent guide plate (501) on the same side.
7. The energy meter testing fixture as described in claim 5, characterized in that: The guide assembly also includes a plurality of rotating rollers (503) that are rotatably connected to the lower end of the inner side of the guide plate (501).