CN206178116U - A mobile switching power supply test device - Google Patents

Abstract

The utility model discloses a portable switching power supply testing arrangement, including detector, power socket, variable power and control key, the upper surface of detector is provided with display panel, pilot lamp and operation button, the output of variable power and the input electric connection of switching power, and the output of switching power and current detection unit and voltage detection unit's input electric connection, current detection unit and voltage detection unit's output and information conversion unit's input electric connection, and information conversion unit passes through the information acquisition unit with the main control unit and is connected, the output of control key and display element and the input electric connection of main control unit, the output of switching power and main control unit all with the input electric connection of load. The utility model discloses an external load to switching power supply to detect switching power supply voltage and current's when full-load and no-load parameter, judge whether qualified device.

Description

A mobile switching power supply test device

technical field

The utility model relates to the technical field of electric power testing equipment, in particular to a mobile switching power supply testing device.

Background technique

With the popularization of various electrical and electronic products in work and life, switching power supplies are widely used. At present, in the process of testing switching power supplies, only the working conditions of switching power supplies at full load are often paid attention to, while switching Whether the current will damage the switching power supply when the power supply is no-load for a long time, so there is an urgent need in the market for a working condition of the switching power supply when the load is applied.

Utility model content

The purpose of this utility model is to provide a mobile switching power supply testing device to solve the problems raised in the above-mentioned background technology. And the parameters of voltage and current at no-load can effectively detect the performance of the switching power supply.

In order to achieve the above purpose, the utility model provides the following technical solutions: a mobile switching power supply testing device, including a detector, a USB interface, a power socket, a variable power supply and control keys, and a display panel is arranged on the upper surface of the detector , indicator light and operation button, and the indicator light is set in the middle of the display panel and the operation button, the USB interface and power socket are set on the side of the detector, and the other side of the detector is equipped with a detection clip, the variable The output terminal of the power supply is electrically connected to the input terminal of the switching power supply, and the output terminal of the switching power supply is electrically connected to the input terminals of the current detection unit and the voltage detection unit, and the output terminals of the current detection unit and the voltage detection unit are connected to the The input end of the information conversion unit is electrically connected, and the information conversion unit is connected to the main control unit through the information collection unit, the output end of the control key and the display unit are electrically connected to the input end of the main control unit, and the main control unit is connected to the main control unit. The information comparison modules are electrically connected, and the output terminals of the switching power supply and the main control unit are electrically connected with the input terminals of the load.

Preferably, there are five indicator lights, which are the detector working indicator light, the current output no-load indicator light, the current output full-load indicator light, the voltage output no-load indicator light and the voltage output full-load indicator light.

Preferably, there are two detection clips, namely a red output detection clip and a black input detection clip, and the detection clips are connected to the detection circuit board inside the detector through wires.

Preferably, the housing of the detector is made of hard plastic material.

Preferably, the information in the detector can be transferred by inserting a USB flash drive through the USB interface.

Compared with the prior art, the utility model has the beneficial effects that: the device is provided with a detector working indicator light, a current output no-load indicator current, a current output full-load indicator, and a voltage output no-load indicator on the upper surface of the detector. The lamp and the voltage output full-load indicator can timely display the working condition of the detector and whether the switching power supply is qualified when it is full-load or no-load, and there is a display panel above the indicator, which can intuitively show Various parameters, and there is a USB interface on the surface of the detector, which can be connected to a U disk on the detector to transfer the detected information.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural system diagram of the utility model.

In the figure: 1-detector; 2-indicating light; 3-USB interface; 4-display board; 5-operation button; 6-power socket; 7-detection clip; 8-variable power supply; 10-current detection unit; 11-information conversion unit; 12-information acquisition unit; 13-main control unit; 14-control key; 15-information comparison module; 16-voltage detection unit; 17-load; 18-display unit.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1 and Fig. 2, an embodiment provided by the utility model: a mobile switching power supply test device, including a detector 1, a USB interface 3, a power socket 6, a variable power supply 8 and a control key 14. The upper surface of the detector 1 is provided with a display board 4, an indicator light 2 and an operation button 5, and the indicator light 2 is arranged in the middle of the display board 4 and the operation button 5, and the USB interface 3 and the power socket 6 are arranged on the side of the detector 1, And the other side of the detector 1 is equipped with a detection clip 7, the output end of the variable power supply 8 is electrically connected to the input end of the switching power supply 9, and the output end of the switching power supply 9 is connected to the current detection unit 10 and the voltage detection unit The input end of 16 is electrically connected, and the output end of current detection unit 10 and voltage detection unit 16 is electrically connected with the input end of information conversion unit 11, and information conversion unit 11 and main control unit 13 are connected through information collection unit 12, control The output ends of the key 14 and the display unit 18 are electrically connected to the input end of the main control unit 13, and the main control unit 13 is electrically connected to the information comparison module 15, and the output ends of the switching power supply 9 and the main control unit 13 are both It is electrically connected with the input end of the load 17, and there are five indicator lights 2, which are the detector 1 working indicator light, the current output no-load indicator light, the current output full-load indicator light, the voltage output no-load indicator light and the voltage output full-load indicator light Indicator lights, two detection clips 7 are provided, which are red output detection clips and black input detection clips, and the detection clips 7 are connected to the detection circuit board inside the detector 1 through wires, and the outer shell of the detector 1 is made of hard plastic Components, the information in the detector 1 can be transferred by inserting a U disk through the USB interface 3.

Working principle: When in use, connect the switching power supply 9 to the variable power supply 8, and connect the output end to the detector 1. First, determine the voltage of the variable power supply 8, and input the voltage of the variable power supply 8 to the detector 1. When the current passes through When the switching power supply 9, the main control unit 13 can control the size of the load 17, the current detection unit 10 and the voltage detection unit 16 can detect the current in the switching power supply 9 and the voltage at both ends thereof, and the current can be transferred to the information conversion unit 11. The electrical signals in the detection unit 10 and the voltage detection unit 16 are converted into digital signals, and the information collection unit 12 collects the signals. At this time, the main control unit 13 controls the information comparison module 15 to compare the correct information with the collected information and then display it. On the unit 18, inspectors can judge the quality of the product of the switching power supply 9 from the display unit 18.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. A mobile switching power supply test device, including a detector (1), a USB interface (3), a power socket (6), a variable power supply (8) and a control key (14), characterized in that: the detection The upper surface of the device (1) is provided with a display panel (4), an indicator light (2) and an operation button (5), and the indicator light (2) is arranged in the middle of the display panel (4) and the operation button (5), so The USB interface (3) and the power socket (6) are set on the side of the detector (1), and the other side of the detector (1) is equipped with a detection clip (7), and the output of the variable power supply (8) end is electrically connected to the input end of the switching power supply (9), and the output end of the switching power supply (9) is electrically connected to the input ends of the current detection unit (10) and the voltage detection unit (16), the current detection The output terminals of the unit (10) and the voltage detection unit (16) are electrically connected to the input terminal of the information conversion unit (11), and the information conversion unit (11) is connected to the main control unit (13) through the information acquisition unit (12) , the control key (14) and the output end of the display unit (18) are electrically connected to the input end of the main control unit (13), and the main control unit (13) is electrically connected to the information comparison module (15) , the switching power supply (9) and the output end of the main control unit (13) are electrically connected to the input end of the load (17). 2. A mobile switching power supply test device according to claim 1, characterized in that: the indicator lights (2) are provided with five, which are respectively the detector working indicator light, the current output no-load indicator light, the current Output full load indicator, voltage output no load indicator and voltage output full load indicator. 3. A mobile switching power supply test device according to claim 1, characterized in that: the detection clip (7) is provided with two, respectively, a red output detection clip and a black input detection clip, and the detection clip ( 7) Connect with the detection circuit board inside the detector (1) through wires. 4. A mobile switching power supply testing device according to claim 1, characterized in that: the housing of the detector (1) is made of hard plastic material. 5. A mobile switching power supply testing device according to claim 1, characterized in that: the information in the detector (1) can be transferred by inserting a U disk through the USB interface (3).