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Voltage testing device

A voltage test and test terminal technology, which is applied in the field of voltage test devices for electrical parameters, can solve the problems of inconvenient movement, high price, and large space occupied by ATE testers.

Inactive Publication Date: 2013-06-19
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, the ATE testing machine takes up a lot of space, is inconvenient to move, and is expensive, which is not conducive to the reduction of testing costs

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0012] see figure 1 A preferred embodiment of the present invention provides a voltage testing device 100 connected to an AC power source 200 , and the AC power source 200 is connected to a power supply unit (PSU) 300 for providing an AC voltage to the PSU 300 . The voltage testing device 100 is used for testing the AC voltage output by the AC power supply 200 .

[0013] The voltage test device 100 includes an interface 11 , a test circuit 13 , a first test terminal out1 , a second test terminal out2 and an oscilloscope 15 .

[0014] The interface 11 can be a plug for plugging into the AC power supply 200 to receive the AC voltage output by the AC power supply 200 .

[0015] Please also refer to figure 2 , the testing circuit 13 includes a filtering unit 131 , a rectifying unit 133 and a voltage dividing unit 135 . The filtering unit 131 may be a filter or a filtering circuit with a filtering function. The filtering unit 131 is connected to the interface 11 for connecting...

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PUM

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Abstract

The invention provides a voltage testing device which comprises a testing circuit and an oscilloscope. The testing circuit comprises a filtering unit, a rectifying unit and a voltage dividing unit. The filtering unit is used for receiving to-be-tested alternating current voltage and filtering high-frequency miscellaneous waves and interference signals in the alternating current voltage. The rectifying unit is connected with the filtering unit and used for receiving the alternating current voltage from the filtering unit and converting the alternating current voltage into first direct current voltage for outputting. The voltage dividing unit is connected with the rectifying unit and used for converting the first direct current voltage into second direct current voltage for outputting. The oscilloscope is used for testing and displaying a second direct current voltage value. As the test of the alternating current voltage is converted into the test of the direct current voltage and the direct current voltage is sent to the oscilloscope for displaying, the voltage testing device is simple in structure, convenient to test, and capable of effectively lowering test cost.

Description

technical field [0001] The present invention relates to a test device, in particular to a voltage test device for testing electrical parameters of a power supply in a computer system. Background technique [0002] A power supply unit (PSU) is generally installed in the host computer to convert AC power into stable DC voltages of different voltages for use by components in the host computer. When testing the performance of the PSU, it is generally necessary to test the AC voltage input to the PSU. For example, the AC voltage value output by the AC power supply and the margin of the AC power supply are tested when the PSU is in the on state and the off state respectively. However, in the prior art, the AC voltage input to the PSU is generally tested by using existing testing equipment, such as an ATE testing machine. Apparently, the ATE testing machine takes up a lot of space, is inconvenient to move, and is expensive, which is not conducive to the reduction of testing costs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/40
CPCG01R31/40
Inventor 陈应飞陈元喜李辉
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD