Calibrating device for electric power meter test fixture

Abstract

The utility model relates to the technical field of electric power meter testing, and discloses an electric power meter testing clamp calibration device. The electric power meter test clamp calibration device comprises a clamp structure assembly, an adjusting assembly is installed at the rear end of the clamp structure assembly, a lifting rod is installed at the lower end of the adjusting assembly, a calibration device is installed at the lower end of the lifting rod, and an air pump is connected and installed at the rear end of the calibration device. The lower end of the correcting device is provided with a connecting rod, the upper end of the clamp structure assembly is connected with the accurate checking assembly, the lower end of the accurate checking assembly is provided with an induction lamp, and the upper end of the induction lamp is provided with an upper end position sensor. The device has the advantages that the problems that when the test fixture is fixed, the position of the fixture needs to be corrected manually, so that certain time is wasted, the position cannot be corrected accurately in the follow-up process, and the follow-up detection value deviates are effectively solved, and the technical problems are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of power meter testing, in particular to a power meter testing fixture calibration device. Background Art

[0002] After the standard instrument circuit board is welded and assembled, the instrument hardware or software must be calibrated (commonly known as zeroing) by powering on. A fixed voltage / current signal must be input into the instrument through a single-phase or three-phase signal source to test whether the instrument display value matches the signal output by the signal source. A fixture is required for detection during the test.

[0003] The existing referenceable Chinese utility model patent has the announcement number CN219065725U, which discloses a radio frequency chip test fixture calibration device including a calibration component, wherein the calibration component includes a mounting plate, a connecting wire, a through hole, a contact terminal, a groove, a avoidance groove, a cover plate, a coaxial connector, a coaxial adapter plate and four positioning pins; the groove is provided on the upper surface of the mounting plate, and the through hole is provided on the inner bottom wall of the groove. The utility model presses the coaxial adapter plate into contact with the test fixture interface through the mounting plate, so that the contact terminal can maintain close contact with the coaxial adapter plate, connects the coaxial connector to the external measuring instrument, and thus realizes the connection between the test instrument and the test fixture interface. At this time, the standing wave and loss of the test fixture can be calibrated through the instrument, solving the problem of calibration connection from the test fixture chip port to the test instrument end, and can test the most realistic indicators of the product, achieving the purpose of engineers to accurately measure the product.

[0004] Based on the search of the above patents and in combination with the equipment in the prior art, it was found that the test fixture fixes multiple wires and fixes them on the metal terminals of the instrument. When fixing the test fixture, the position of the fixture needs to be manually calibrated, which wastes a certain amount of time. The position cannot be accurately calibrated subsequently, resulting in deviations in subsequent detection values. The existence of these problems affects the use of the device. Utility Model Content

[0005] (1) Technical problems solved

[0006] In response to the shortcomings of the existing technology, the utility model provides a calibration device for an electric meter test fixture, which has the advantages of effectively preventing the test fixture from being manually positioned when being fixed, resulting in a waste of time and the inability to accurately calibrate the position subsequently, resulting in deviations in subsequent detection values, thereby solving the above-mentioned technical problems.

[0007] Technical Solution

[0008] To achieve the above-mentioned object, the present invention provides the following technical solution: a power meter test fixture calibration device, comprising a fixture structure assembly, wherein an adjustment assembly for adjusting the position angle of the fixture body is installed at the rear end of the fixture structure assembly, and a calibration assembly for calibrating the moving position of the fixture body is installed at the upper end of the fixture structure assembly;

[0009] A lifting rod is installed at the lower end of the adjustment assembly, and a correction device is installed at the lower end of the lifting rod. An air pump is connected to the rear end of the correction device, and a connecting rod is installed at the lower end of the correction device. The connecting rod facilitates the connection and installation of the clamp body.

[0010] An induction lamp is installed at the lower end of the calibration component, an upper end position sensor is installed at the upper end of the induction lamp, and side end sensors are installed on both sides of the upper end position sensor. The side end sensors detect the position of the lower end side end refraction lamp.

[0011] As an optimal technical solution of the present invention, a fixing plate is installed on the upper end of the clamp structure assembly, and a metal terminal is installed on the upper end of the fixing plate, a clamp body is installed on the upper end of the metal terminal, a placement space is installed inside the clamp body, a wire is installed inside the placement space, and the placement space fixes the wire.

[0012] As a preferred technical solution of the present invention, a structural frame is installed at the lower end of the adjustment component, and a connecting plate is installed at the upper end of the structural frame. A motor is installed at the upper end of the connecting plate, and the motor will provide power for the device.

[0013] As a preferred technical solution of the present invention, a side refraction lamp is installed at the lower end of the calibration component, and the side refraction lamp is convenient for refracting light.

[0014] As a preferred technical solution of the present invention, the adjustment component is installed at the rear end of the metal terminal in the fixture structure component, and the calibration component is installed at the upper end of the metal terminal in the fixture structure component and the upper end of the fixture body.

[0015] As a preferred technical solution of the present invention, a plurality of holes are installed on the upper end of the clamp body, and the wire is a detachable structure.

[0016] As a preferred technical solution of the present invention, the structural frame is installed at the upper end of the fixed plate, a pipeline is installed at the front end of the air pump to connect with the correction device, and the connecting rod is installed at the rear end of the fixture body.

[0017] As a preferred technical solution of the present invention, the side refraction lamps are installed on both sides of the upper end of the metal terminal, the induction lamp is installed on the upper end of the metal terminal, and the upper end position sensor is installed on the lower end of the fixture body.

[0018] Compared with the prior art, the present invention provides a power meter test fixture calibration device with the following beneficial effects:

[0019] The utility model arranges an adjustment component and an accurate proofreading component, and the side refraction lamp and the induction lamp in the accurate proofreading component, and senses and fixes the position of the metal terminal at the lower end through the upper end position sensor (KEYENCE) and the side end sensor installed at the upper end of the upper end fixture body, and determines the position of the lower end by changing the light. The structure is combined with the adjustment component, and a lifting rod is installed in the adjustment component, and the lifting rod adjusts the height of the entire device. A correction device (COSMED) is installed at the lower end, and the position of the fixture body installed at the lower end is confirmed by the correction device to prevent the installation position from being offset. This structure facilitates accurate and rapid position calibration, and effectively prevents the need for manual position correction of the test fixture when it is fixed, which results in a waste of time and the inability to accurately correct the position subsequently, resulting in deviations in subsequent detection values. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structural components of the structural fixture of the utility model;

[0022] Figure 3 This is a schematic diagram of the structural adjustment component of the utility model;

[0023] Figure 4 A schematic diagram of the components for accurate proofreading of the structure of this utility model;

[0024] Among them: 1. Fixture structure component; 101. Fixture plate; 102. Metal terminal; 103. Fixture body; 104. Placement space; 105. Wire; 2. Adjustment component; 201. Structural frame; 202. Connecting plate; 203. Motor; 204. Lifting rod; 205. Correction device; 206. Air pump; 207. Connecting rod; 3. Proofreading accuracy component; 301. Side refraction lamp; 302. Induction lamp; 303. Upper position sensor; 304. Side sensor. DETAILED DESCRIPTION

[0025] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0026] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; and direct connections or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0028] See also Figure 1 - Figure 4 In this embodiment, a calibration device for an electric meter test fixture includes: a fixture structure component 1, an adjustment component 2 is installed at the rear end of the fixture structure component 1, a lifting rod 204 is installed at the lower end of the adjustment component 2, and a correction device 205 is installed at the lower end of the lifting rod 204, an air pump 206 is connected and installed at the rear end of the correction device 205, a connecting rod 207 is installed at the lower end of the correction device 205, a calibration component 3 is connected and installed at the upper end of the fixture structure component 1, an induction lamp 302 is installed at the lower end of the calibration component 3, an upper end position sensor 303 is installed at the upper end of the induction lamp 302, and side end sensors 304 are installed on both sides of the upper end position sensor 303, the adjustment component 2 is installed at the rear end of the metal terminal 102 in the fixture structure component 1, and the calibration component 3 is installed at the upper end of the metal terminal 102 in the fixture structure component 1 and the upper end of the fixture body 103.

[0029] Through the above structure, the clamp structure component 1 is convenient for clamping the line and is convenient for the use of the entire device, the adjustment component 2 is convenient for adjusting the position of the clamp, and the accuracy calibration component 3 is convenient for calibrating the position of the clamp.

[0030] See also Figure 1 - Figure 4A fixing plate 101 is installed at the upper end of the clamp structure component 1, and a metal terminal 102 is installed at the upper end of the fixing plate 101, a clamp body 103 is installed at the upper end of the metal terminal 102, a placement space 104 is installed inside the clamp body 103, a wire 105 is installed inside the placement space 104, a plurality of holes are installed at the upper end of the clamp body 103, and the wire 105 is a disassembly structure.

[0031] Through the above structure: by installing the fixing plate 101, the metal terminal 102 at the upper end is conveniently fixed, the metal terminal 102 is convenient for fixing and testing the circuit, the clamp body 103 is convenient for testing it, the placement space 104 fixes the wire 105, and the wire 105 tests the power meter.

[0032] See also Figure 1 - Figure 4 A structural frame 201 is installed at the lower end of the adjustment component 2, and a connecting plate 202 is installed at the upper end of the structural frame 201, a motor 203 is installed at the upper end of the connecting plate 202, the structural frame 201 is installed at the upper end of the fixed plate 101, a pipeline is installed at the front end of the air pump 206 and connected to the correction device 205, and a connecting rod 207 is installed at the rear end of the fixture body 103.

[0033] Through the above structure: by installing the structural frame 201, it is convenient to install the upper structure, the connecting plate 202 fixes the upper motor 203, the motor 203 will provide power for the device, the lifting rod 204 is convenient for adjusting the height position, the correction device 205 combined with the air pump 206 is convenient for correcting the position of the clamp body 103, and the connecting rod 207 is convenient for connecting and installing the clamp body 103.

[0034] See also Figure 1 - Figure 4 The lower end of the calibration accuracy component 3 is installed with a side refraction lamp 301, the side refraction lamp 301 is installed on both sides of the upper end of the metal terminal 102, the induction lamp 302 is installed at the upper end of the metal terminal 102, and the upper end position sensor 303 is installed at the lower end of the fixture body 103.

[0035] Through the above structure: by installing the side refraction lamp 301, it is convenient to refract the light, and the induction lamp 302 is used in conjunction with the upper position sensor 303 to facilitate the alignment and checking of the position of the metal terminal 102 and the fixture body 103, and the side sensor 304 detects the position of the lower side refraction lamp 301.

[0036] When in use, first, place the wire 105 into the placement space 104 in the fixture body 103, and place the wire 105 into the metal terminal 102 to test the power meter. In order to fix the position of the upper end fixture body 103, install the upper end calibration component 3, and start the upper end position sensor 303 and the side end sensor 304 through the terminal. The upper end position sensor 303 and the side end sensor 304 correspond to the induction light 302 and the side end refraction light 301 respectively. The overall position is confirmed by the sensor detecting the lower end light source. After the position information is confirmed, the model is transmitted to the terminal. The terminal adjusts the position of the upper clamp body 103, and the terminal starts the motor 203 at the upper end. The motor 203 starts the lifting rod 204 connected to the lower end, adjusts the height of the lifting rod 204, and drives the device at the lower end to adjust the height. During the adjustment, the correction device 205 is adjusted according to the relevant position information. After the correction device 205 is adjusted, the air pump 206 connected to the rear end is started, and the position of the correction device 205 is locked (the device is an existing structure). After the position adjustment is completed, the lifting rod 204 continues to move downward, and the clamp body 103 is moved to the upper end of the metal terminal 102 to test the power meter.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power meter test fixture calibration device, characterized in that: The invention comprises a fixture structure component (1), wherein an adjustment component (2) is installed at the rear end of the fixture structure component (1), a lifting rod (204) is installed at the lower end of the adjustment component (2), and a correction device (205) is installed at the lower end of the lifting rod (204), an air pump (206) is connected to the rear end of the correction device (205), a connecting rod (207) is installed at the lower end of the correction device (205), an accuracy calibration component (3) is connected to the upper end of the fixture structure component (1), an induction lamp (302) is installed at the lower end of the accuracy calibration component (3), an upper end position sensor (303) is installed at the upper end of the induction lamp (302), and side end sensors (304) are installed on both sides of the upper end position sensor (303).

2. The electric power meter test fixture calibration device according to claim 1, characterized in that: A fixing plate (101) is installed at the upper end of the clamp structure component (1), and a metal terminal (102) is installed at the upper end of the fixing plate (101), a clamp body (103) is installed at the upper end of the metal terminal (102), a placement space (104) is installed inside the clamp body (103), and a wire (105) is installed inside the placement space (104).

3. The electric power meter test fixture calibration device according to claim 1, characterized in that: A structural frame (201) is installed at the lower end of the adjustment component (2), a connecting plate (202) is installed at the upper end of the structural frame (201), and a motor (203) is installed at the upper end of the connecting plate (202).

4. The electric power meter test fixture calibration device according to claim 1, characterized in that: A side refraction lamp (301) is installed at the lower end of the calibration component (3).

5. The electric power meter test fixture calibration device according to claim 1, characterized in that: The adjustment component (2) is installed at the rear end of the metal terminal (102) in the clamp structure component (1), and the calibration component (3) is installed at the upper end of the metal terminal (102) in the clamp structure component (1) and the upper end of the clamp body (103).

6. The electric power meter test fixture calibration device according to claim 2, characterized in that: The upper end of the clamp body (103) is provided with a plurality of holes, and the lead (105) is a disassembly structure.

7. The electric power meter test fixture calibration device according to claim 3, characterized in that: The structural frame (201) is installed at the upper end of the fixing plate (101), a pipeline is installed at the front end of the air pump (206) and connected to the correction device (205), and the connecting rod (207) is installed at the rear end of the clamp body (103).

8. The electric power meter test fixture calibration device according to claim 4, characterized in that: The side refraction lamps (301) are installed on both sides of the upper end of the metal terminal (102), the induction lamp (302) is installed on the upper end of the metal terminal (102), and the upper end position sensor (303) is installed on the lower end of the fixture body (103).

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