Testing device for current sensor

By using testing fixtures and turnover carts with aluminum alloy and aluminum profile frames, combined with copper connecting blocks and connecting rods, the problems of poor conductivity and low production capacity of current sensor testing devices were solved, and efficient current sensor testing was achieved.

CN223597880UActive Publication Date: 2025-11-25MITEYOU SENSING TECH (NANJING) CO LTD
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Patent Information

Application Number
CN202422858888.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-11-25
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

Existing current sensor testing equipment uses aluminum, which has poor conductivity, generates a lot of heat, has low testing accuracy, and can only test 20 products at a time, resulting in low production capacity.

Method used

The test fixtures and turnover carts adopt aluminum alloy skeletons and aluminum profile skeletons, combined with copper connecting blocks and connecting rods to form a connected electrical circuit. The test efficiency is improved by the use of rails and pulleys, and T2 copper is used as the conductive material.

Benefits of technology

The testing accuracy has been improved, and the number of tests per batch has increased from 20 to 300, significantly increasing the production capacity of the production cycle.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a testing device for a current sensor, which comprises a testing tool and a tote cart, the testing tool is used for testing a product to be tested in a cavity of a high and low temperature testing box, the tote cart is used for bearing the testing tool sliding out of the cavity of the high and low temperature testing box, and the product to be tested is the current sensor. The device is novel and unique in structure, adopts a mode that the test tool is matched with the turnover vehicle, and effectively improves the efficiency that the test tool enters and exits from the high and low temperature test box through the track and the pulley; besides, T2 red copper is selected as a core conductive material of the test tool, so that the test tool has excellent conductive characteristics and low heat productivity, and the test precision is improved; according to the testing tool, 300 products can be tested each time through the arrangement mode of the red copper connecting blocks and the red copper connecting rods, and the productivity of a single production cycle is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic energy storage field technical field especially relates to a testing arrangement for current sensor. BACKGROUND

[0002] Current sensor is a kind of current detection device, can feel the information of measured current, and can change the information felt by detection into the electric signal or other required form information output in accordance with certain rule, to meet the requirements such as transmission, processing, storage, display, record and control of information.

[0003] At present, the testing arrangement for current sensor has the following problems:

[0004] (1) core conductive material selects aluminum material, and the electric conduction effect is poor, the heat generation is large, and the test precision is influenced.

[0005] (2) each time can only test 20 products, and the test quantity is less, and the production capacity is too low in single production cycle. INVENTION CONTENTS

[0006] To solve the above problems, the utility model discloses a testing arrangement for current sensor.

[0007] Specific scheme is as follows:

[0008] A kind of testing arrangement for current sensor, including test tooling and turnover car, wherein, test tooling is used to carry out test to the product to be measured in the cavity of high-low temperature test box, turnover car is used to bear the test tooling that slides out from the cavity of high-low temperature test box, wherein the product to be measured is current sensor;The test tooling includes aluminum alloy framework, the aluminum alloy framework is three-layer frame structure, each layer is equipped with FR-4 support base and mainboard, bottom is equipped with tooling pulley, the mainboard is rectangular plate and is placed in the top surface middle part of FR-4 support base, six horizontal copper connecting rods are sequentially arranged above mainboard from front to back, three middle copper connecting blocks are arranged along the longitudinal direction on the left side of FR-4 support base, two middle copper connecting blocks and two end copper connecting blocks are arranged along the longitudinal direction on the right side of FR-4 support base, wherein, middle copper connecting block and end copper connecting block are connected with the end of copper connecting rod, the copper connecting rod is strung with the product to be measured, 4P connector same as the number of product to be measured and corresponding position is welded on the top surface of mainboard, for connecting with product to be measured, 100P connector for connecting with host computer is also welded on the top surface rear side of mainboard, the bottom rail for tooling pulley sliding is equipped in the cavity bottom of high-low temperature test box;The top rail for tooling pulley sliding is equipped in the top of turnover car.

[0009] Further, the two middle copper connecting blocks on the right side of the FR-4 support base are located between the two end copper connecting blocks, and the five middle copper connecting blocks on both sides of the FR-4 support base are connected in series with the six copper connecting rods, and the two end copper connecting blocks are connected with the right end of the front and rear copper connecting rods, respectively, wherein the end copper connecting blocks on the upper and lower layers are connected through the upper and lower copper connecting blocks, and the end copper connecting blocks on the middle and lower layers are connected through the upper and lower copper connecting blocks, forming a connected electrical circuit.

[0010] Further, the upper side of the aluminum alloy framework is provided with a test tool handle.

[0011] Further, the turnover vehicle includes an aluminum profile framework, which is a three-layer frame structure, and the upper and middle layers are respectively provided with upper and middle layer partitions, and the bottom is provided with a turnover vehicle pulley.

[0012] Further, the upper side of the aluminum profile framework is provided with a turnover vehicle handle.

[0013] The beneficial effects of the present application are:

[0014] The device has a novel and unique structure, and adopts a mode of cooperation between the test tool and the turnover vehicle, and effectively improves the efficiency of the test tool in and out of the high and low temperature test box through the track and the pulley. In addition, the core conductive material of the test tool is T2 red copper, which not only has excellent conductivity, but also has small heat generation, thereby improving the test precision. The test tool is arranged through the copper connecting block and the copper connecting rod, so that 300 products can be tested at a time, and the production capacity of a single production cycle is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The drawings are schematic diagrams of the present application.

[0016] Figure 2 The drawings are schematic diagrams of the present application.

[0017] LIST OF REFERENCE NUMBERS:

[0018] 1-aluminum alloy framework, 2-FR-4 support base, 3-main board, 4-tool pulley, 5-copper connecting rod, 6-middle copper connecting block, 7-end copper connecting block, 8-product to be tested, 9-4P connector, 10-100P connector, 11-bottom rail, 12-top rail, 13-upper and lower copper connecting blocks, 14-test tool handle, 15-aluminum profile framework, 16-upper partition, 17-middle partition, 18-turnover vehicle pulley, 19-turnover vehicle handle. DETAILED DESCRIPTION

[0019] The utility model is further illustrated below in combination with the drawings and specific embodiments, and it should be understood that the following specific embodiments are only used to illustrate the utility model and not used to limit the scope of the utility model.

[0020] As shown in the figure, the application provides a test device for a current sensor, comprising a test tool and a turnover vehicle, wherein the test tool is used for testing the product to be tested 8 in the cavity of the high-low temperature test box, and the turnover vehicle is used for carrying the test tool sliding out of the cavity of the high-low temperature test box; the test tool comprises an aluminum alloy framework 1, the aluminum alloy framework 1 is a three-layer frame structure, each layer of which is provided with an FR-4 support base 2 and a main plate 3, the bottom is provided with a tool pulley 4, the main plate 3 is a rectangular plate and is placed in the middle of the top surface of the FR-4 support base 2, six transversely arranged copper connecting rods 5 are arranged in front of the main plate 3 from front to back, three middle copper connecting blocks 6 are arranged on the left side of the FR-4 support base 2 in the longitudinal direction, two middle copper connecting blocks 6 and two end copper connecting blocks 7 are arranged on the right side of the FR-4 support base 2 in the longitudinal direction, wherein the middle copper connecting blocks 6 and the end copper connecting blocks 7 are connected with the ends of the copper connecting rods 5, the product to be tested 8 is strung on the copper connecting rods 5, the top surface of the main plate 3 is welded with 4P connectors 9 corresponding in position and same in number as the product to be tested 8, which are used for connecting with the product to be tested 8, and the top surface of the main plate 3 is further welded with a 100P connector 10 used for connecting with the upper computer, and the cavity of the high-low temperature test box is provided with a bottom rail 11 for the tool pulley 4 to slide; the top of the turnover vehicle is provided with a top rail 12 for the tool pulley 4 to slide.

[0021] In the embodiment, the two middle copper connecting blocks 6 on the right side of the FR-4 support base 2 are located between the two end copper connecting blocks 7, the five middle copper connecting blocks 6 on both sides of the FR-4 support base 2 sequentially connect the six copper connecting rods 5, and the two end copper connecting blocks 7 are respectively connected with the right ends of the copper connecting rods 5 at the front and the rear, wherein the end copper connecting blocks 7 at the front of the upper and middle layers are connected through the upper and lower copper connecting blocks 13, the end copper connecting blocks 7 at the rear of the middle and lower layers are connected through the upper and lower copper connecting blocks 13, and an interconnected electrical circuit is formed.

[0022] In the embodiment, the upper front side of the aluminum alloy framework 1 is provided with a test tool handle 14.

[0023] In the embodiment, the turnover vehicle comprises an aluminum profile framework 15, the aluminum profile framework 15 is a three-layer frame structure, the upper and middle layers are respectively provided with an upper partition plate 16 and a middle partition plate 17, and the bottom is provided with a turnover vehicle pulley 18.

[0024] In the embodiment, the upper front side of the aluminum profile framework 15 is provided with a turnover vehicle handle 19.

[0025] The electrical connection relationship of the application is that the products to be tested are connected in series into the copper connecting rod, a plurality of products are connected into each layer, the products are connected to the products through the 4P connector on the mainboard, the products are connected to the host computer through the 100P connector of each layer, the current of the copper connecting rod is powered at the port of the copper connecting rod, the products are inducted to the current magnetic field signal of the copper connecting rod, and the data transmission and testing of the products are realized through the 4P connector and the 100P connector of each layer.

[0026] The test steps of the application are:

[0027] 1. 300 products are connected in series into the copper connecting rod, and the copper connecting rod is installed on the copper connecting block.

[0028] 2. The 4P connector is connected with the products.

[0029] 3. The 100P connector is connected to the host computer.

[0030] 4. The test tool is pushed into the cavity of the high-low temperature test box through the top rail and the bottom rail, and the test is started.

[0031] The technical means disclosed in the utility model scheme is not limited to the technical means disclosed in the above-mentioned embodiments, and also includes the technical scheme composed of any combination of the above technical features. It should be noted that, for ordinary skilled persons in the technical field, under the premise of not departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements are also regarded as the protection range of the utility model.

Claims

1. A testing device for a current sensor, characterized in that, The test fixture includes a test tool and a turnover cart. The test tool is used to test the product to be tested (8) inside the cavity of the high and low temperature test chamber, and the turnover cart is used to carry the test tool that slides out of the cavity of the high and low temperature test chamber. The test tool includes an aluminum alloy frame (1), which is a three-layer frame structure. Each layer is equipped with an FR-4 support base (2) and a main board (3). The bottom is equipped with a tool pulley (4). The main board (3) is a rectangular plate placed in the middle of the top surface of the FR-4 support base (2). Six horizontally arranged copper connecting rods (5) are arranged on the top of the main board (3) from front to back. Three central copper connecting blocks (6) are arranged longitudinally on the left side of the FR-4 support base (2). 2) On the right side, there are two central copper connecting blocks (6) and two end copper connecting blocks (7) arranged longitudinally. The central copper connecting blocks (6) and the end copper connecting blocks (7) are connected to the end of the copper connecting rod (5). The copper connecting rod (5) is strung with the product to be tested (8). The top surface of the main board (3) is welded with 4P connectors (9) that are the same number and corresponding in position as the product to be tested (8) for connecting with the product to be tested (8). The rear side of the top surface of the main board (3) is also welded with 100P connectors (10) for connecting with the host computer. The bottom of the cavity of the high and low temperature test chamber is provided with a bottom rail (11) for the tooling pulley (4) to slide. The top of the turnover cart is provided with a top rail (12) for the tooling pulley (4) to slide.

2. The testing device for a current sensor according to claim 1, characterized in that, The two middle copper connecting blocks (6) on the right side of the FR-4 support base (2) are located between the two end copper connecting blocks (7). The five middle copper connecting blocks (6) on both sides of the FR-4 support base (2) connect the six copper connecting rods (5) in series. The two end copper connecting blocks (7) are connected to the right end of the frontmost and rearmost copper connecting rods (5) respectively. The front end copper connecting blocks (7) of the upper and middle layers are connected through the upper and lower layer copper connecting blocks (13), and the rear end copper connecting blocks (7) of the middle and lower layers are connected through the upper and lower layer copper connecting blocks (13) to form a connected electrical circuit.

3. The testing device for a current sensor according to claim 1, characterized in that, The upper front side of the aluminum alloy frame (1) is provided with a test fixture handle (14).

4. A testing device for a current sensor according to claim 1, characterized in that, The turnover cart includes an aluminum profile frame (15), which is a three-layer frame structure. The upper and middle layers are respectively provided with an upper partition (16) and a middle partition (17), and the bottom is provided with turnover cart pulleys (18).

5. A testing device for a current sensor according to claim 4, characterized in that, The upper front side of the aluminum profile frame (15) is provided with a turnover cart handle (19).