Backup battery managing and controlling method of monitoring circuit of repeater
A technology for monitoring circuits and backup batteries, applied in circuit devices, electrical components, emergency power supply arrangements, etc., can solve problems affecting system stability, etc., and achieve the effect of solving real-time clock loss
Inactive Publication Date: 2013-01-30
SUNWAVE COMM
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Problems solved by technology
[0003] The processing of battery power supply and mains power supply seems simple, but if it is not handled properly, it will affect the stability of the system
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[0011] 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 with reference to the accompanying drawings and examples. It should be understood that the examples described here are only used to explain the present invention, and are not intended to limit the present invention.
[0012] figure 1 It is a block diagram of the external power supply and battery management of the monitoring circuit. It can be seen from the block diagram that the monitoring part of the circuit queries and monitors the working conditions of the monitored parts, such as digital boards, small signal boards, and power amplifier boards, through the 485 bus. It can be clearly seen from the figure that the power supply of the monitoring board is powered by external 12V and 3.7V lithium batteries, 12V is converted to 4.0V through DC-DC, and 4.0V and battery 3.7V are automatically switched through the po...
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The invention provides a backup battery managing and control method of a monitoring circuit of a repeater. A power supply of the monitoring circuit is composed of two parts, namely, an external direct current power supply and a lithium battery used for supply power; the voltage of the external power supply is the voltage when the lithium battery is fully charged; under the normal situation, the lithium battery is not started but is used as an backup when the external direct current power supply is used for supplying the power; under the situation that the external direct current power supply of the equipment is not started, the lithium battery is not triggered to supply the power, thereby ensuring that the lithium battery is at an idle state for a long time if the lithium battery is not triggered after being inserted; and when the external direct current power supply is powered down, the lithium battery can be accessed into a circuit in a seamless mode, and the equipment after being powered down can work normally without being affected by the change of the power supply. The method has the beneficial effects that the monitoring of the monitoring circuit of the repeater to the equipment during the normal power-on and power-off is effectively solved, the requirement of the circuit to the power supply at the two situations is effectively managed, and the problem of the real-time clock loss caused by the power-down or that the battery is used up is solved.
Description
technical field [0001] The invention relates to the field of mobile communication network coverage and optimization, and mainly relates to a backup battery management and control method for a repeater monitoring circuit. Background technique [0002] Today, as wireless communication technology is more and more developed, signal coverage is ubiquitous, and repeaters have become major operators (such as China Mobile, China Unicom, Telecom, etc.) generally use repeaters to cover signals. With more and more equipment covered, the evaluation of equipment stability and the recording and troubleshooting of equipment problems rely more and more on remote communication technology, and the positioning of problems is also required to be more and more detailed, which requires a reliable monitoring system , can work for a period of time even after power failure, and keep the real-time clock running continuously. [0003] The processing of battery power supply and mains power supply seem...
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IPC IPC(8): H02J9/06
Inventor 何先贵
Owner SUNWAVE COMM