CN108828451B - Method for overhauling battery backup unit - Google Patents
Method for overhauling battery backup unit Download PDFInfo
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- CN108828451B CN108828451B CN201810698867.7A CN201810698867A CN108828451B CN 108828451 B CN108828451 B CN 108828451B CN 201810698867 A CN201810698867 A CN 201810698867A CN 108828451 B CN108828451 B CN 108828451B
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 19
- 238000012423 maintenance Methods 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
- G06F1/305—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations in the event of power-supply fluctuations
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a method for overhauling a battery backup unit, which comprises the steps of carrying out charging and discharging actions on the battery backup unit for multiple times, updating the estimated capacity after charging and discharging are completed each time, finally comparing the estimated capacity of the battery backup unit in a full-charge state with the theoretical full-charge capacity, and if the error is within the range of a preset difference value, successfully overhauling the battery backup unit. The invention can be realized in a script mode under a micro system, automatically calibrates the electric quantity of the battery backup unit, ensures that the electric quantity storage capacity of the battery backup unit is always in a healthy state, and can supply power in time when the storage node is suddenly powered off in a working environment, thereby ensuring the normal operation of the storage equipment and further ensuring the data safety.
Description
Technical Field
The invention relates to the technical field of storage equipment, in particular to a method for overhauling a battery backup unit.
Background
With the rapid development of data storage technology, data storage devices are more and more widely applied, and people pay more and more attention to the safety of data. A storage device usually needs a normal and stable power supply to ensure normal operation of the device, and therefore, in the storage device including a computer, in addition to an active power supply for supplying power to the device, a Battery Backup Unit (BBU) is usually provided to start the BBU when the active power supply fails to work, so as to ensure normal operation of the device.
The battery backup unit is usually connected with the storage node, and supplies power to the storage node immediately when the storage node is powered off, so that the storage node writes data into a disk from a memory in time, and the integrity of the data is guaranteed.
Currently, the battery backup unit is usually overhauled by a control chip therein, and a user or a maintenance worker completes charge and discharge detection and voltage/current/temperature detection by operating the control chip to ensure that the battery backup unit is in a normal working state. Once the maintenance is not timely, if the storage node fails to supply power in time when the power is suddenly cut off in the working environment, serious consequences are brought.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a method for repairing a battery backup unit, which can automatically calibrate the electric quantity of the battery backup unit and ensure the safety of stored data.
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for overhauling a battery backup unit comprises the following steps:
step 1: reading the current electric quantity value of the battery backup unit;
step 2: judging whether the battery backup unit is in a full state according to the current electric quantity value, if so, turning to a step 4, and if not, turning to a step 3;
and step 3: charging the battery backup unit, and entering a rest state after charging after full charging;
and 4, step 4: and discharging the battery backup unit to a preset electric quantity value, and obtaining the estimated capacity of the battery backup unit according to the discharge voltage and the discharge current in the discharge process.
Further, the preset electric quantity value comprises a first preset electric quantity value and a second preset electric quantity value, and the first preset electric quantity value is larger than the second preset electric quantity value.
Further, the step 4 specifically includes:
step 41: discharging the battery backup unit to a first preset electric quantity value, obtaining the estimated capacity of the battery backup unit according to the discharge voltage and the discharge current in the discharge process, and entering a rest state after discharge;
step 42: and continuously discharging the battery backup unit to a second preset electric quantity value, and updating the estimated capacity according to the discharge voltage and the discharge current in the discharge process.
Further, step 4 is followed by:
and 5: and charging the battery backup unit, and updating the estimated capacity after the battery backup unit is fully charged.
Further, the step 5 is followed by:
step 6: and reading the full charge capacity of the current battery backup unit from a register of the battery backup unit, comparing the full charge capacity with the estimated capacity, and if the error is smaller than a preset difference value, successfully overhauling the battery.
Further, after the overhaul is successful, the difference value between the full charge capacity and the estimated capacity is written into a register of the battery backup unit.
Further, the step 5 further comprises: and after the maintenance is successful, writing the current time into a register of the battery backup unit.
Further, the preset difference is specifically 10%.
Further, the first preset electric quantity value is 73.5% specifically, and the second preset electric quantity value is 50% specifically.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a method for overhauling a battery backup unit, which comprises the steps of carrying out charging and discharging actions on the battery backup unit for multiple times, updating the estimated capacity after each charging and discharging is completed, finally comparing the estimated capacity of the battery backup unit in a full-charge state with the theoretical full-charge capacity, and if the error is within the range of the preset difference value, successfully overhauling the battery backup unit. The invention can be realized in a script mode under a Micro system (MCS for short), automatically calibrates the electric quantity of the battery backup unit, ensures that the electric quantity storage capacity of the battery backup unit is always in a healthy state, and can supply power timely when the storage node is suddenly powered off in a working environment, thereby ensuring the normal operation of storage equipment and further ensuring the data safety.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
FIG. 1 is a flow chart of a method according to a first embodiment of the present invention.
FIG. 2 is a flow chart of a method according to a second embodiment of the present invention.
FIG. 3 is a flow chart of a method according to a third embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
The first embodiment is as follows:
the invention provides an embodiment, such as a method for overhauling a battery backup unit shown in fig. 1, which comprises the following steps:
step 1: and reading the current electric quantity value of the battery backup unit.
Step 2: and judging whether the battery backup unit is in a full-charge state according to the current electric quantity value, if so, turning to a step 4, and if not, turning to a step 3.
And step 3: and charging the battery backup unit, and entering a rest state after charging after full charging.
The steps aim to ensure that the battery backup unit is in a full-charge state and is used as a reference point for electric quantity calibration, so that the accuracy of subsequent discharge tests on capacity estimation is ensured.
And 4, step 4: and discharging the battery backup unit to a preset electric quantity value, and obtaining the estimated capacity of the battery backup unit according to the discharge voltage and the discharge current in the discharge process.
It should be noted that the preset electric quantity value is a theoretical electric quantity value of the battery backup unit after the discharge is completed, the estimated capacity can be regarded as an actual electric quantity value of the battery backup unit, and a difference value between the preset electric quantity value and the actual electric quantity value can accurately reflect whether the electric quantity storage capacity of the current battery backup unit is normal or not, so that a conclusion of the maintenance can be objectively reflected.
Example two:
the invention provides another embodiment, and a method for overhauling a battery backup unit as shown in fig. 2 comprises the following steps:
step 1: and reading the current electric quantity value of the battery backup unit.
Step 2: and judging whether the battery backup unit is in a full-charge state according to the current electric quantity value, if so, turning to a step 4, and if not, turning to a step 3.
And step 3: and charging the battery backup unit, and entering a rest state after charging after full charging.
And 4, step 4: and discharging the battery backup unit to a preset electric quantity value, and obtaining the estimated capacity of the battery backup unit according to the discharge voltage and the discharge current in the discharge process.
And 5: and charging the battery backup unit, and updating the estimated capacity after the battery backup unit is fully charged.
And on the basis of the step 4, fully charging the battery backup unit and updating the estimated capacity to enable the electric quantity of the battery backup unit to return to the starting point of calibration, and charging after discharging, so that all actions of the covered battery backup unit are covered, and the comprehensiveness and the accuracy of maintenance are ensured.
Step 6: and reading the full charge capacity of the current battery backup unit from a register of the battery backup unit, comparing the full charge capacity with the estimated capacity, and if the error is smaller than a preset difference value, successfully overhauling the battery.
According to the invention, the battery backup unit is subjected to charging and discharging actions for multiple times, the estimated capacity of the battery backup unit is updated after each charging and discharging is completed, finally, the estimated capacity of the battery backup unit in a full-charge state is compared with the theoretical full-charge capacity, and if the error is within the range of the preset difference value, the maintenance is successful. The invention can be realized in a script mode under a Micro system (MCS for short), automatically calibrates the electric quantity of the battery backup unit, ensures that the electric quantity storage capacity of the battery backup unit is always in a healthy state, and can supply power timely when the storage node is suddenly powered off in a working environment, thereby ensuring the normal operation of storage equipment and further ensuring the data safety.
Example three:
the invention provides another embodiment, and a method for overhauling a battery backup unit as shown in fig. 3 comprises the following steps:
step 1: and reading the current electric quantity value of the battery backup unit.
Step 2: and judging whether the battery backup unit is in a full-charge state according to the current electric quantity value, if so, turning to a step 4, and if not, turning to a step 3.
And step 3: and charging the battery backup unit, and entering a rest state after charging after full charging.
And 4, step 4: and discharging the battery backup unit to 73.5%, obtaining the estimated capacity of the battery backup unit according to the discharge voltage and the discharge current in the discharging process, and entering a rest state after discharging.
And 5: the battery backup unit continues to be discharged to 50%, and the estimated capacity is updated based on the discharge voltage and discharge current during the discharge process.
After the battery backup unit is fully charged and the estimated capacity is updated, the step-type discharging is carried out twice, the estimated capacity is updated twice, the estimated capacity can more accurately reflect the actual electric quantity of the current battery backup unit, and then the maintenance result can be objectively reflected.
Step 6: and charging the battery backup unit, and updating the estimated capacity after the battery backup unit is fully charged.
And 7: and reading the full charge capacity of the current battery backup unit from the register of the battery backup unit, comparing the full charge capacity with the estimated capacity, if the error is less than 10%, successfully overhauling the battery backup unit, and simultaneously writing the difference value between the full charge capacity and the estimated capacity and the current time into the register of the battery backup unit.
When the error is less than 10%, the overhaul is judged to be successful, and the battery backup unit is in a healthy state; storing the actual error value and the current time, wherein the actual error value and the current time can be used as a reference item for presetting next overhaul time, and if the error value of the current time is close to the preset difference value by 10%, the interval time of the next overhaul is shortened; otherwise, the time interval of the next overhaul can be prolonged, and the overhaul frequency is reduced.
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Claims (1)
1. A method for overhauling a battery backup unit is characterized by comprising the following steps:
step 1: reading the current electric quantity value of the battery backup unit;
step 2: judging whether the battery backup unit is in a full state according to the current electric quantity value, if so, turning to a step 4, and if not, turning to a step 3;
and step 3: charging the battery backup unit, and entering a rest state after charging after full charging;
and 4, step 4: discharging the battery backup unit to a preset electric quantity value, and obtaining the estimated capacity of the battery backup unit according to the discharge voltage and the discharge current in the discharge process;
the preset electric quantity value comprises a first preset electric quantity value and a second preset electric quantity value, and the first preset electric quantity value is larger than the second preset electric quantity value;
the step 4 specifically includes:
step 41: discharging the battery backup unit to a first preset electric quantity value, obtaining the estimated capacity of the battery backup unit according to the discharge voltage and the discharge current in the discharge process, and entering a rest state after discharge;
step 42: continuously discharging the battery backup unit to a second preset electric quantity value, and updating the estimated capacity according to the discharge voltage and the discharge current in the discharge process;
and 5: charging the battery backup unit, and updating the estimated capacity after the battery backup unit is fully charged; after the maintenance is successful, writing the difference value between the full charge capacity and the estimated capacity into a register of a battery backup unit, and writing the current time into the register of the battery backup unit;
step 6: reading the full charge capacity of the current battery backup unit from a register of the battery backup unit, comparing the full charge capacity with the estimated capacity, and if the error is smaller than a preset difference value, successfully overhauling the battery backup unit;
the preset difference is specifically 10%;
the first preset electric quantity value is 73.5% specifically, and the second preset electric quantity value is 50% specifically.
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| CN201810698867.7A CN108828451B (en) | 2018-06-29 | 2018-06-29 | Method for overhauling battery backup unit |
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| CN201810698867.7A CN108828451B (en) | 2018-06-29 | 2018-06-29 | Method for overhauling battery backup unit |
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| CN108828451A CN108828451A (en) | 2018-11-16 |
| CN108828451B true CN108828451B (en) | 2021-03-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109683097A (en) * | 2018-12-21 | 2019-04-26 | 广东浪潮大数据研究有限公司 | A kind of BBU capacity method of calibration, device and relevant device |
| CN110618388B (en) * | 2019-09-04 | 2023-01-17 | 苏州浪潮智能科技有限公司 | Battery performance detection method and device |
| CN110687466A (en) * | 2019-10-18 | 2020-01-14 | 苏州浪潮智能科技有限公司 | Electric quantity verification method and device |
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| CN105223504A (en) * | 2014-05-30 | 2016-01-06 | Tcl集团股份有限公司 | A kind of evaluation method of electric quantity of lithium battery and system |
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| US10823785B2 (en) * | 2015-02-10 | 2020-11-03 | Richtek Technology Corporation | Method of estimating the state of charge of a battery and system thereof |
| CN104698388B (en) * | 2015-03-02 | 2018-04-10 | 惠州Tcl移动通信有限公司 | The cell degradation detection method and its device of a kind of mobile terminal |
| CN105573458B (en) * | 2015-12-11 | 2020-04-24 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| KR102634814B1 (en) * | 2016-11-16 | 2024-02-07 | 삼성전자주식회사 | Method and apparatus for estimating battery state |
| CN107748331B (en) * | 2017-09-28 | 2020-02-11 | 苏州浪潮智能科技有限公司 | Method for checking reliability of battery |
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