Simple surge current testing device for power adapter

By designing a simple power adapter surge current testing device, which uses a clamp to fix the power adapter and a current sensor to measure the surge current, the problem of surge current testing of power adapters at the moment of power-on is solved, improving the accuracy and safety of the test.

CN223955677UActive Publication Date: 2026-02-27HUIZHOU FUJIA APPLIANCE TECH CO LTD
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Patent Information

Application Number
CN202520064123.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-02-27
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

Existing technologies are insufficient for effectively testing the surge current of a power adapter at the moment of power-on, which may lead to grid impact or equipment damage, affecting the performance stability and safety of the power adapter.

Method used

A simple power adapter surge current testing device was designed, including components such as a test platform, a placement platform, a current sensor, a display board, and a clamp. The power adapter is fixed by the clamp, and the surge current is measured and the result is displayed using the current sensor.

Benefits of technology

It enables accurate testing of power adapter surge current, ensuring equipment stability and safety, and simplifying the testing process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of testing devices, in particular to a simple surge current testing device for a power adapter, which comprises a testing table, a placement table is fixedly connected to the left side of the upper surface of the testing table, a power adapter product is placed on the right side of the upper surface of the placement table, and an energy supply is mounted on the right side of the upper surface of the testing table. According to the utility model, a to-be-tested power adapter product is placed on the placement table, the screw rod is rotated clockwise to drive the clamping plate to move backwards, the clamping plate cooperates with the fixing seat to clamp and fix the power adapter product and prevent the power adapter product from shaking, a plug is inserted into the jack, the power adapter product is plugged with the current sensor, and the power switch is turned on for energization. The surge current is generated by the power adapter product, the surge current of the power adapter product is tested by means of the current sensor, the result is displayed on the display panel, the stability of the power adapter product is ensured through the fixation of the clamping plate, and the surge current of the power adapter can be simply and effectively tested.
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Description

TECHNICAL FIELD

[0001] The utility model relates to test device technical field, concretely is a simple power adapter surge current test device. BACKGROUND

[0002] The power adapter is the power supply conversion equipment of small portable electronic equipment and electronic appliance, generally by the shell, transformer, inductance, capacitor, control IC, PCB board etc. Component composition, its work principle is by AC input conversion DC output, widely matches in security camera, set top box, router, light bar, massage instrument etc. Equipment in,

[0003] The surge current is a kind of transient peak current that power adapter produces in the moment of starting or connecting power, if surge current is too large, possibly causes impact to power grid, even damages power adapter or connected equipment, so how to accurately test the surge current of power adapter, ensure its performance stability and safety, is one of the problems needing to be solved in the test work before the power adapter is shipped at present, for this, a simple power adapter surge current test device is proposed. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a simple power adapter surge current test device to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a simple power adapter surge current test device, including test table, the upper surface left side of test table is fixedly connected with placing table, the upper surface right side of placing table is placed with power adapter product, the upper surface right side of test table is installed with energy supply power, the left side wall of energy supply power is connected with plug through wire, the right side wall of power adapter product is equipped with the plug hole, the plug is inserted in the inner side wall of plug hole, the upper surface of energy supply power is equipped with power switch, the upper surface left side of placing table is installed with current sensor and display panel respectively, the upper surface front side of test table is installed with control panel, the upper surface rear side of placing table is fixedly connected with fixed seat, the upper surface front side of placing table is fixedly connected with vertical board, the front surface of vertical board is threadedly connected with screw rod, the rear end of screw rod is rotatably connected with clamping plate through bearing.

[0006] As a further preferred of the technical scheme: the electric property output end of power adapter product is electrically connected with the electric property input end of current sensor through wire, the electric property output end of current sensor is electrically connected with the electric property input end of control panel through wire, the electric property output end of control panel is electrically connected with the electric property input end of display panel through wire.

[0007] As a further preferred of the technical solution: the front surface of the clamping plate is symmetrically and fixedly connected with two positioning rods, and the positioning rods are in sliding connection with the vertical plate.

[0008] As a further preferred of the technical solution: the front end of the screw rod is fixedly connected with a rotating handle.

[0009] As a further preferred of the technical solution: the lower surface of the test table is uniformly provided with rollers.

[0010] As a further preferred of the technical solution: the front surface of the fixing seat and the rear surface of the clamping plate are both bonded with rubber pads.

[0011] As a further preferred of the technical solution: the top of the outer side wall of the test table is symmetrically and fixedly connected with two push handles.

[0012] Compared with the prior art, the power adapter surge current testing device has the advantages that:

[0013] The power adapter product to be tested is placed on the placing table, the screw rod is rotated clockwise to drive the clamping plate to move backward, the clamping plate cooperates with the fixing seat to clamp and fix the power adapter product, the power adapter product is prevented from shaking, the plug is inserted into the socket, the power adapter product is connected with the current sensor, the power switch is turned on to electrify, the power adapter product generates a surge current, the current sensor is used to test the surge current of the power adapter product and display the result on the display panel, the stability of the power adapter product is ensured through the fixation of the clamping plate, and the surge current of the power adapter can be simply and effectively tested. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a left view structural schematic view of the utility model;

[0015] Figure 2 It is a right view structural schematic view of the utility model;

[0016] Figure 3 It is a structural schematic view of the power adapter product and the socket in the utility model;

[0017] Figure 4 It is a structural schematic view of the power supply and the plug in the utility model.

[0018] In the drawing:

[0019] 1, test table; 2, placing table; 3, power adapter product; 4, power supply; 5, plug; 6, socket; 7, power switch; 8, current sensor; 9, control panel; 10, display panel; 11, fixing seat; 12, vertical plate; 13, screw rod; 14, clamping plate; 15, positioning rod; 16, rotating handle; 17, rubber pad; 18, roller; 19, push handle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. The examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used for explaining the present application, and cannot be understood as a limitation on the present application. Obviously, the described embodiments only represent some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0021] In the description of the present application, it should be noted that unless explicitly defined and limited, the terms "mounting", "connection", "connecting", "provision" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium; it can be internal communication of two elements or interaction relationship between two elements. 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.

[0022] Please refer to Figures 1-4The utility model provides a technical scheme: a simple power adapter surge current testing device, including test table 1, the upper surface left side of test table 1 is fixedly connected with the placing table 2, the upper surface right side of placing table 2 is placed with power adapter product 3, the upper surface right side of test table 1 is installed with the energizing power supply 4, the left side wall of energizing power supply 4 is connected with the plug 5 through wire, the right side wall of power adapter product 3 is equipped with the jack 6, the plug 5 is inserted in the inner side wall of jack 6, the upper surface of energizing power supply 4 is equipped with the power switch 7, the upper surface left side of placing table 2 is installed with current sensor 8 and display panel 10 respectively, the upper surface front side of test table 1 is installed with control panel 9, the upper surface rear side of placing table 2 is fixedly connected with fixed seat 11, the upper surface front side of placing table 2 is fixedly connected with the vertical board 12, the front surface of vertical board 12 is threadedly connected with screw rod 13, the rear end of screw rod 13 is rotatably connected with the clamping plate 14 through bearing, place the power adapter product 3 to be tested on the placing table 2, rotate screw rod 13 clockwise and drive clamping plate 14 to move backward, clamping plate 14 cooperates with fixed seat 11 to clamp and fix power adapter product 3, prevent it from shaking, insert plug 5 into jack 6 and insert power adapter product 3 with current sensor 8, open power switch 7 and power on, power adapter product 3 generates surge current, test the surge current of power adapter product 3 with the aid of current sensor 8 and show the result on display panel 10, ensure the stability of power adapter product 3 through the fixation of clamping plate 14, can simply and effectively test the surge current of power adapter.

[0023] In the embodiment, specifically: the electrical output end of the power adapter product 3 is electrically connected with the electrical input end of the current sensor 8 through wires, the electrical output end of the current sensor 8 is electrically connected with the electrical input end of the control panel 9 through wires, and the electrical output end of the control panel 9 is electrically connected with the electrical input end of the display panel 10 through wires; facilitating signal transmission.

[0024] In the embodiment, specifically: the front surface of the clamping plate 14 is fixedly connected with two positioning rods 15 symmetrically, and the positioning rods 15 are slidably connected with the vertical board 12; the clamping plate 14 slides forward and backward with the positioning rods 15, and the clamping plate 14 can be prevented from rotating.

[0025] In the embodiment, specifically: the front end of the screw rod 13 is fixedly connected with a handle 16; the handle 16 is convenient to hold to rotate the screw rod 13.

[0026] In the embodiment, specifically: the lower surface of the test table 1 is uniformly provided with rollers 18; the test table 1 is convenient to move.

[0027] In the embodiment, specifically: the front surface of the fixed seat 11 and the rear surface of the clamping plate 14 are both bonded with rubber pads 17; the soft characteristics of the rubber pads 17 can protect the power adapter product 3.

[0028] Specifically, the outer side wall top of the test table 1 is symmetrically and fixedly connected with two push handles 19, so that the test table 1 can be pushed to move to a target position.

[0029] The working principle of the utility model is: the power adapter product 3 to be tested is placed on the placing table 2, the screw rod 13 is rotated clockwise to drive the clamping plate 14 to move backward, the clamping plate 14 cooperates with the fixed seat 11 to clamp and fix the power adapter product 3, prevents it from shaking, the plug 5 is inserted into the jack 6 and the power adapter product 3 is inserted with the current sensor 8, the power switch 7 is opened to be electrified, the power adapter product 3 generates inrush current, the inrush current of the power adapter product 3 is tested by the current sensor 8 and the result is displayed on the display panel 10, the stability of the power adapter product 3 is ensured through the fixation of the clamping plate 14, the inrush current of the power adapter can be simply and effectively tested.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A simple power adapter surge current testing device, characterized in that: The test platform (1) includes a test stand (1), a placement platform (2) fixedly connected to the left side of the upper surface of the test stand (1), a power adapter product (3) placed on the right side of the upper surface of the placement platform (2), a power supply (4) installed on the right side of the upper surface of the test stand (1), a plug (5) connected to the left side wall of the power supply (4) via a wire, and a socket (6) opened on the right side wall of the power adapter product (3), with the plug (5) inserted into the inner side wall of the socket (6). A power switch (7) is provided. A current sensor (8) and a display panel (10) are respectively installed on the left side of the upper surface of the placement platform (2). A control panel (9) is installed on the front side of the upper surface of the test platform (1). A fixed base (11) is fixedly connected to the rear side of the upper surface of the placement platform (2). A vertical plate (12) is fixedly connected to the front side of the upper surface of the placement platform (2). A screw (13) is threadedly connected to the front surface of the vertical plate (12). A clamping plate (14) is rotatably connected to the rear end of the screw (13) through a bearing.

2. The simplified power adapter surge current testing device according to claim 1, characterized in that: The electrical output terminal of the power adapter product (3) is electrically connected to the electrical input terminal of the current sensor (8) via a wire. The electrical output terminal of the current sensor (8) is electrically connected to the electrical input terminal of the control panel (9) via a wire. The electrical output terminal of the control panel (9) is electrically connected to the electrical input terminal of the display panel (10) via a wire.

3. The simplified power adapter surge current testing device according to claim 2, characterized in that: Two positioning rods (15) are symmetrically fixedly connected to the front surface of the clamping plate (14), and the positioning rods (15) are slidably connected to the vertical plate (12).

4. The simplified power adapter surge current testing device according to claim 3, characterized in that: The front end of the screw (13) is fixedly connected to a throttle (16).

5. The simplified power adapter surge current testing device according to claim 4, characterized in that: Rollers (18) are evenly installed on the lower surface of the test bench (1).

6. The simplified power adapter surge current testing device according to claim 5, characterized in that: Rubber pads (17) are adhered to the front surface of the fixing seat (11) and the rear surface of the clamp (14).

7. The simplified power adapter surge current testing device according to claim 6, characterized in that: Two push handles (19) are symmetrically fixedly connected to the top of the outer wall of the test bench (1).