Method and system for deciding electrolyte type storage battery performance

A battery and electrolyte technology, applied in the field of electricity, can solve problems such as valve-controlled sealed lead-acid batteries that cannot effectively detect faults, communication system power failure risks, etc., to meet daily maintenance, achieve high performance, and improve accuracy Effect

Inactive Publication Date: 2007-11-07
HUAWEI TECH CO LTD
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Problems solved by technology

[0005] In the process of realizing the present invention, the inventor found that there are at least the following problems in the prior art: the depth of discharge of the test method in the prior art generally does not exceed 50% of the rated capacity, otherwise there will be a risk of power failure, and the faulty battery is At 50% depth of discharge, the discharge voltage cannot be effectively distinguished from the discharge voltage of the normal voltage, so the faulty valve-regulated sealed lead-acid battery cannot be effectively detected, which brings the risk of power failure to the communication system

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  • Method and system for deciding electrolyte type storage battery performance
  • Method and system for deciding electrolyte type storage battery performance
  • Method and system for deciding electrolyte type storage battery performance

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Embodiment Construction

[0024] The embodiment of the present invention provides a method and system for judging the performance of an electrolyte battery. In order to make the purpose, technical solution and advantages of the present invention clearer, the following describes the present invention in detail with reference to the accompanying drawings and examples.

[0025] First, a general description of a method for judging the performance of an electrolyte-type battery provided by an embodiment of the present invention is given:

[0026] When judging the performance of the electrolyte battery, connect the electrolyte battery to be tested to test loads with different resistance values ​​in different time periods; control the test load unit and the electrolyte battery to be tested in different time periods The battery connection status, the connection status includes on or off; obtain the current value and voltage value of the electrolyte battery when it is discharged in different time periods, and ob...

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Abstract

The invention supplies a method and system used to test electrolyte type storage battery performance. The method includes the following steps: connecting the storage battery to the test load with different resistance values at different time quantum; controlling the test load unit and the connection state; utilizing the discharge characteristic to gain internal resistance detecting value; correcting the detecting value and comparing it with given initial state to gain current residual capacity state value according to the relation curve between the different residual capacity state values and internal resistance; then testing the storage battery performance. Thus the invention can be used to improve the test precision, realize remote testing, and further satisfy the routine maintenance demand for valve controlled sealed type lead-acid battery.

Description

technical field [0001] The invention relates to the field of electrical technology, in particular to a method and system for judging the performance of an electrolyte-type storage battery. Background technique [0002] With the rapid development of communication network scale, the application of backup DC power supply is becoming more and more extensive. For example, VRLA (VALVE REGULATED LEADACID, valve-controlled sealed) battery, which is an important part of backup DC power supply, is the last line of defense for power supply protection. Quality problems of valve-regulated sealed lead-acid batteries may cause system shutdown and cause huge economic losses. Due to the strict operating requirements of valve-regulated sealed lead-acid batteries, it is very important to detect and master the performance of valve-regulated sealed lead-acid batteries in real time. Only when hidden quality problems of valve-regulated sealed lead-acid batteries are discovered in time can we guara...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/36
Inventor 张立元秦真罗光毕广春李海王文广
Owner HUAWEI TECH CO LTD
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