Apparatus for monitoring power supply and method for implementing veneer thermal backup

A power supply monitoring and power board technology, applied in circuit devices, AC/DC network circuit layout, electrical components, etc., can solve problems such as insufficient reliability and the inability of monitoring units to achieve high and stable operation, and achieve high reliability and high reliability. and maintainability effects

Active Publication Date: 2009-07-29
ZTE CORP
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Problems solved by technology

[0004] Therefore, for the monitoring unit device responsible for monitoring the communication power supply, how to ensure the reliability of the single board in the monitoring unit, overcome the shortcomings of insufficient reliability, and solve the pr

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  • Apparatus for monitoring power supply and method for implementing veneer thermal backup
  • Apparatus for monitoring power supply and method for implementing veneer thermal backup
  • Apparatus for monitoring power supply and method for implementing veneer thermal backup

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Embodiment Construction

[0051] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0052] The invention adopts the single board hot backup method to realize the high reliability and non-stop work of the embedded system. The core idea of ​​the present invention is to realize high-speed data storage and exchange of two control single boards through a dual-port RAM powered by a dual-way battery on the backboard in the power monitoring device; through a simple and reliable arbitrator, the control Single board gating; software, two control boards work at the same time, exchange data, compare and judge, analyze and detect fault points, and ensure that the normal and fault-free single board has the control right of the system.

[0053] The power monitoring device provided by the present invention includes a backplane, and a first power board, a second ...

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Abstract

The invention discloses an implementation method for a power monitoring device and the hot backup of a single plate. In the power monitoring device, high-speed data storage and exchange of two control signal plates are realized by a double-port RAM with a double-circuit battery for power supply of a back plate; gating of the control single plates is realized by a simple and reliable arbiter; on a software, the two control plates work simultaneously, exchange data, compare, judge, analyze and detect fault points and guarantee that normal single plates without faults have control right for the system. The invention can realize hot plug; if fault occurs, the single plates can be exchanged without cutting off the power; even, when the control plates have faults or are plugged simultaneously, the control of the monitoring unit to the system can be constant, thus having quite high reliability and maintainability.

Description

technical field [0001] The invention relates to the technical field of power supply, in particular to a power supply monitoring device in communication equipment and a method for realizing single-board hot backup therein. Background technique [0002] With the advancement of science and technology, more and more industrial control, medical, communication, consumer and other electronic products are becoming increasingly intelligent, and embedded systems with microprocessors as the core are increasingly widely used. Especially in the industrial and military fields, in harsh environments and unattended fields, intelligent embedded systems completely replace manual work. However, in these areas, embedded systems need to operate very reliably. Usually, the equipment used will operate 24 hours a day and 365 days a year without stopping, and during this period of operation, no equipment damage can occur, so the high stability it requires is much higher than that required by ordina...

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Application Information

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IPC IPC(8): H04L12/26H04L1/22H02J4/00
Inventor 熊勇
Owner ZTE CORP
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