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Switching power test device

A switching power supply and testing device technology, which is applied in the field of switching power supply testing devices, can solve problems such as wasting electric energy, and achieve the effect of avoiding continuous power consumption and reducing power consumption

Active Publication Date: 2020-01-14
SHENZHEN TCL DIGITAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, during the test, the switching power supply continues to supply power to the switching power supply test device, wasting electric energy

Method used

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0025] In addition, the descriptions involving "first", "second" and so on in the present invention are only for descriptive purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the ...

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Abstract

The invention discloses a switch power supply testing device. The switch power supply testing device includes a pulse output unit, a switch unit, a resistive load unit and an interface terminal, wherein an output terminal of the pulse output unit is connected with a controlled terminal of the switch unit; an output terminal of the switch unit is grounded; an input terminal of the switch unit is connected with an output terminal of the resistive load unit; and an input terminal of the resistive load unit is connected with the interface terminal. The technical scheme of the switch power supply testing device reduces the consumed electric energy for the switch power supply during the testing process.

Description

technical field [0001] The invention relates to the technical field of switching power supply testing devices, in particular to a switching power supply testing device. Background technique [0002] In the process of the switching power supply supplying power to the audio power amplifier, the overload protection of the switching power supply often occurs because the peak power of the audio signal is too high. Therefore, before the switching power supply supplies power to the audio power amplifier, it is necessary to perform an overload protection test on the switching power supply. [0003] Existing testing devices for switching power supplies test whether the threshold power for switching on the overload protection of the switching power supply is qualified by outputting a continuous full-load signal to the audio power amplifier. In this way, during the testing process, the switching power supply continues to supply power to the switching power supply testing device, which...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/40
CPCG01R31/40
Inventor 王坚
Owner SHENZHEN TCL DIGITAL TECH CO LTD
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