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Method and device for detecting circuit faults

A circuit fault detection device technology, applied in the direction of measuring devices, measuring electricity, measuring electrical variables, etc., can solve problems such as false alarms

Inactive Publication Date: 2013-06-05
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem of not being able to identify false alarms caused by switching value control failures, embodiments of the present invention provide a circuit fault detection method and device

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  • Method and device for detecting circuit faults
  • Method and device for detecting circuit faults
  • Method and device for detecting circuit faults

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Embodiment Construction

[0023] In order to facilitate the understanding of a circuit fault detection method provided by the embodiment of the present invention, the existing switching value detection technology is now introduced in detail.

[0024] Network element devices in the network, such as switches, can be equipped with multiple pairs of switches to detect faults on different units of the device. The output of the switching value is connected with an alarm device, and the alarm device is used to detect the output of the switching value, so as to achieve the effect of judging whether the device fails. An example of a network that uses switch value detection technology for device alarm detection figure 1 shown.

[0025] figure 1 There are two links in it, corresponding to two pairs of switching values ​​in device 3; the input of the switching value corresponding to link 1 comes from device 1, and the output is to device 4; the input of the switching value corresponding to link 2 comes from devi...

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Abstract

The embodiment of the invention provides method and device for detecting circuit faults, which relate to the field of equipment fault detection and solve the problem of false warning caused when switching value control failure can not be identified. The method for detecting the circuit faults comprises the following steps of: after a monitoring circuit is closed by a control circuit, judging whether the voltages of two contacts of the monitoring are same or not; if the voltages of two contacts of the monitoring are same, setting the value of a first register of the monitoring circuit to be 1;if the voltages of two contacts of the monitoring are different, setting the value of the first register to be 0; and judging whether the control circuit is normal or not according to the value of the first register. The invention is suitable for detecting a switching value warning function.

Description

technical field [0001] The invention relates to the field of equipment fault detection, in particular to a circuit fault detection method and device. Background technique [0002] The working communication equipment may break down. In order to find out the equipment failure in time and effectively, and reduce the loss caused by the communication interruption caused by the equipment failure, the switching value detection technology is introduced in the equipment management. [0003] The switch value is the connection state between a pair of contacts. Usually, there are two states between a pair of contacts, that is, connected and disconnected. The switching value detection technology places paired contacts at both ends of the circuit that needs to be protected and monitored, and judges whether the device is faulty according to the connection state between the contacts, and locates the faulty device. For example, an input voltage is connected to one of a pair of contacts, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/02
Inventor 陈昊张进生
Owner HUAWEI TECH CO LTD