Uninterruptible power source monitoring device

A technology of power control and power supply, which is applied in the direction of circuit devices, battery circuit devices, collectors, etc., and can solve problems such as high cost and complicated monitoring principle

Active Publication Date: 2010-04-14
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The current UPS power supply monitoring system uses special independent equipment to monitor and automatically process the UPS power supply. The cost is relatively high and the monitoring principle is complicated.

Method used

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Embodiment Construction

[0073] The implementation of the technical solution will be further described in detail below in conjunction with the accompanying drawings.

[0074] Considering the two most common communication connection methods of UPS power supply in the market: relay interface and RS232 interface, the present invention integrates the monitoring device on the communication equipment for the UPS power supply of these two interfaces, and makes full use of the CPU and RS232 interface of the communication equipment. CPLD realizes the monitoring of UPS power supply through the connection of relay interface and / or RS232 interface, and has the advantages of simple implementation, low cost, and convenient control.

[0075] see figure 1 , the figure shows the principle framework of the first UPS power supply monitoring device in the embodiment of the present invention, which is a UPS power supply monitoring device using a relay interface, integrated on communication equipment, including CPU11, CPLD...

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Abstract

The invention claims an uninterruptible power source (UPS) monitoring device integrated to a communication apparatus, which comprises a central processing unit (CPU), an input/output circuit and a connection interface. The connection interface is used for providing an interface connected with a UPS power source; the input/output circuit comprises an optocoupler which is used for obtaining an alarm signal of the UPS through the connection interface, carrying out optical coupling isolation and outputting the alarm signal to the CPU, and controlling the UPS according to a control command sent by the CPU; and the CPU is shared by the communication apparatus and used for receiving and processing the alarm signal of the UPS to generate the control command and sending the control command to the output circuit. The uninterruptible power source monitoring device has favorable popularity, low cost, simple control, stability and reliability.

Description

technical field [0001] The present invention relates to a UPS (Uninterruptible Power System, uninterruptible power supply) monitoring device, in particular to collecting various alarm signals of the UPS power supply, processing the received collection signals, and sending control signals to control the switch of the UPS power supply device. Background technique [0002] UPS (Uninterruptible Power System, uninterruptible power supply) is a constant voltage and constant frequency uninterruptible power supply with an energy storage device and an inverter as the main component. It is mainly used to provide uninterrupted power supply to a single computer, computer network system or other power electronic equipment. When the mains input is normal, the UPS will stabilize the mains and supply it to the load. At this time, the UPS is an AC mains voltage stabilizer, and it also charges the battery inside the machine; when the mains is interrupted (accident blackout) , the UPS will c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00G01R15/22
Inventor 许华张晓亮
Owner ZTE CORP
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