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A detection device for transient signal

A detection device and instantaneous interruption technology are applied in the field of test and measurement to achieve the effects of easy implementation, low cost and improved reliability

Active Publication Date: 2021-03-19
JIANGXI HONGDU AVIATION IND GRP
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  • Description
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Problems solved by technology

[0007] The purpose of the present invention is: the present invention improves the design of the drawbacks existing in the existing transient test method, and realizes the transient signal detection by adopting the method of measuring the load current of the power supply, and provides a real-time detection device for the transient signal, which solves the problem of The detection of transient signal is difficult, the purpose is to improve the reliability, safety and test efficiency of power quality transient test

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  • A detection device for transient signal

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Embodiment Construction

[0021] The present invention will be further described in detail below in conjunction with examples, but the embodiments of the present invention are not limited thereto.

[0022] Since the transient signal cannot be measured by measuring the voltage of the power supply line during the transient test, the method of measuring the power supply load can be used, that is, the transient signal is measured by measuring the change of the output current of the power supply. If the measured current is close to 0A, it can be explained Instantaneously issued.

[0023] Such as figure 1 As shown, part 1, part 2 and part 3 are the main components of the present invention, and part 4 and part 5 are mainly used to provide working voltage and the device under test, and form a test working condition of a transient test with the present invention.

[0024] Component 1: High-speed programmable switch, used to simulate the transient state of the contact coupling of the connector under dynamic loa...

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Abstract

The invention relates to a detection device for a transient interruption signal. The detection device is composed of a high-speed programmable switch [1], a current sensor [2], data acquisition equipment [3], a direct-current voltage stabilization power supply [4] and a tested piece [5]. The real-time online detection of the transient interruption signal is realized by adopting a method for measuring a load of the power supply; a measuring device is easy to realize; the tested piece is not affected; the reliability and safety of a power supply quality transient interruption test, and the working efficiency are effectively improved; and the detection device is low in cost and can be popularized and applied to the tests with the similar test problems.

Description

technical field [0001] The invention belongs to the technical field of test and measurement, and relates to a detection device for an instantaneous power supply interruption signal. Background technique [0002] According to the existing standards, when the power supply is interrupted for no more than 200μs, it is required that the function of the tested piece should not be affected, that is, the tested piece should be able to work correctly. This test is one of the power supply quality test items, that is, the power supply quality instantaneous break test. In the power quality test, generally a high-speed programmable switching component is connected in series on the power supply line connecting the power supply and the tested object, and this component is used to simulate the instantaneous contact failure of the connector contact coupling under dynamic load conditions for 200μs The phenomenon of momentary disconnection of power supply is caused. [0003] Since most of th...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/40
CPCG01R31/40
Inventor 易水华徐剑李贺高欣郑宏海徐玮谢强张高强梅欢万蒋亮熊静熊竹青
Owner JIANGXI HONGDU AVIATION IND GRP
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