CN103135063A - Detection and monitoring method of lead-acid storage battery - Google Patents
Detection and monitoring method of lead-acid storage battery Download PDFInfo
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- CN103135063A CN103135063A CN2012105595372A CN201210559537A CN103135063A CN 103135063 A CN103135063 A CN 103135063A CN 2012105595372 A CN2012105595372 A CN 2012105595372A CN 201210559537 A CN201210559537 A CN 201210559537A CN 103135063 A CN103135063 A CN 103135063A
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000002253 acid Substances 0.000 title claims abstract description 23
- 238000012544 monitoring process Methods 0.000 title abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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Abstract
The invention relates to the technical field of solar photovoltaic utilization, in particular to a detection and monitoring method of a lead-acid storage battery used in a photovoltaic system. The detection and monitoring method of the lead-acid storage battery includes the following steps: a voltage and current sensor is used for detecting current and voltage of the storage battery on each discharging; a controller of the photovoltaic system is used for computing the current internal resistance RX of the storage battery and discharging time TX; the RX is compared with a preset internal resistance value R, if RX <=R, detection is carried out when the storage battery discharges at the next time; if RX >R, then the TX is compared with a preset discharging time T, and if the TX > T, the storage battery is in a good state and replacement is not needed; and if the TX <T, the storage battery is lost heavily and replacement is needed. The detection and monitoring method of the lead-acid storage battery is simple, easy to operate and accurate and scientific in computing, and can be widely used in detection and monitoring of storage battery states.
Description
Technical field
The present invention designs the solar energy photovoltaic utilization technical field, detection and the method for supervising of the lead-acid accumulator that uses in especially a kind of photovoltaic system.
Background technology
The characteristics of lead-acid battery maximum are exactly: along with the use of battery, battery is aging gradually, when battery capacity be reduced to he originally rated capacity the time, the capacity of battery may be the diving formula and descend, at this time, although this battery may still can provide certain energy, may scrap at any time.
The conventional approach of judgement battery health situation is discharged exactly, detects the present actual capacity of battery by discharge, thereby judges the health status of battery.These traditional means that detect battery with applied load have following some shortcomings: because test philosophy is simple discharge, if partial discharge of tested object must cause the magnitude of voltage as a result measured on the low side, thereby cause erroneous judgement; For same battery, duplicate measurements continuously obtains identical result.Because test process is exactly discharge process, detected battery must charge after detection again, could again measure; And test process requires the tester to do some training very often, and is rich in sense of responsibility.Owing to reading the magnitude of voltage of battery in the moment of discharging tens seconds, operator's level and sense of responsibility all can exert an influence to test result.
The method of next is to test with conductivity meter, and the measurement of battery conductance is the alternating voltage of given frequency and amplitude to be added to the two ends of battery, then measures the electric current that produces.The conductance for alternating current value is exactly and the alternating current component of alternating voltage homophase and the ratio of alternating voltage.The significantly variation of electric conductivity value (descend greater than〉20%) just means the variation of battery performance.
But in solar energy photovoltaic system, a large amount of lead-acid accumulators that use have increased the difficulty and the workload that detect undoubtedly, also are easy to occur maloperation in the manually-operated process.And a lot of photovoltaic systems are accumulator to be embedded in underground, have also greatly increased detection difficulty.
Summary of the invention
The technical problem to be solved in the present invention is the deficiency that exists for prior art, and a kind of detection and method for supervising of lead-acid accumulator is provided.
Detection and the method for supervising of a kind of lead-acid accumulator of the present invention are achieved by following technical proposals: the detection of a kind of lead-acid accumulator of the present invention and method for supervising are that electric current, the voltage when by voltage-current sensor, accumulator being discharged at every turn detects, and utilize the controller of photovoltaic system to calculate the current internal resistance R of accumulator
XWith T discharge time
XAnd compare with the internal resistance value R that sets, if R
X＜=R waits for when accumulator discharges next time and detecting; If R
X＞R compares with T discharge time that sets, if T
X＞T illustrates that battery condition well need not to change, if T
X＜T illustrates that the accumulator loss seriously needs to change.
the detection of a kind of lead-acid accumulator of the present invention and method for supervising have following beneficial effect compared with prior art: the detection and the method for supervising that the present invention proposes a kind of lead-acid accumulator, be used for the detection of lead-acid accumulator that photovoltaic system is used, the present invention is different from traditional discharge examination method and conductivity meter detection method, comprehensive electric discharge and internal resistance measurement method, a kind of new method has been proposed, and the method can be integrated in the photovoltaic system controller as programmed algorithm, provide the testing result feedback by host computer to user or technician, for detection of, the state of monitoring accumulator.
The present invention is the controller (take single-chip microcomputer as processor) that utilizes photovoltaic system by the detection of electric current and voltage during at every turn to load discharge to accumulator, calculate current internal resistance and discharge time, and compare to judge the mode of battery condition with the parameter that sets before (setting according to the actual performance of accumulator).
Detection and the method for supervising of a kind of lead-acid accumulator of the present invention are simple and easy to do, calculate accurate science, can be widely used in the detection monitoring of battery condition.
Description of drawings
Fig. 1 is detection and the method for supervising schematic flow sheet of a kind of lead-acid accumulator of the present invention.
Embodiment
Be further described below in conjunction with detection and the method for supervising technical scheme of drawings and Examples to a kind of lead-acid accumulator of the present invention.
As shown in Figure 1, a kind of detection of lead-acid accumulator and method for supervising are that electric current, the voltage when by voltage-current sensor, accumulator being discharged at every turn detects, and utilize the controller of photovoltaic system to calculate the current internal resistance R of accumulator
XWith T discharge time
XAnd compare with the internal resistance value R that sets, if R
X＜=R waits for when accumulator discharges next time and detecting; If R
X＞R compares with T discharge time that sets, if T
X＞T illustrates that battery condition well need not to change, if T
X＜T illustrates that the accumulator loss seriously needs to change.
Utilize the controller of photovoltaic system that each examination and controlling result is presented at terminal device or host computer.
Embodiment 1.
The present invention proposes a kind of detection and method for supervising of lead-acid accumulator, be used for the detection of lead-acid accumulator that photovoltaic system is used, the present invention is different from traditional discharge examination method and conductivity meter detection method, comprehensive electric discharge and internal resistance measurement method, a kind of new method has been proposed, and the method can be integrated in the photovoltaic system controller as programmed algorithm, provide the testing result feedback by host computer to user or technician, for detection of the state of, monitoring accumulator.
The present invention is the controller (take single-chip microcomputer as processor) that utilizes photovoltaic system by the detection of electric current and voltage during at every turn to load discharge to accumulator, calculate current internal resistance and discharge time, and compare to judge the mode of battery condition with the parameter that sets before (setting according to the actual performance of accumulator).
Technology path
Lead-acid accumulator to the load discharge process in, accumulator internal resistance is a process that constantly increases, the accumulator that capacity is low, loss is serious internal resistance increase in to the load discharge process is very fast, the time of use is also relatively short.The present invention according to the application request of accumulator set internal resistance R and discharge time T, internal resistance is calculated in the detection of voltage, electric current by to battery discharging the time, and detects, monitors out the state of accumulator according to internal resistance size and discharge time.When in discharge process, internal resistance rose to R, discharge time,, capacity serious less than the accumulator loss of T lowly needed to change.Controller also will detect data and sends to host computer for technician's reference or deposit database in.
Claims (2)
1. the detection of a lead-acid accumulator and method for supervising are characterised in that described detection method is that electric current, voltage when by voltage-current sensor, accumulator being discharged at every turn detects, and utilize the controller of photovoltaic system to calculate the current internal resistance R of accumulator
XWith T discharge time
XAnd compare with the internal resistance value R that sets, if R
X＜=R waits for when accumulator discharges next time and detecting; If R
X＞R compares with T discharge time that sets, if T
X＞T illustrates that battery condition well need not to change, if T
X＜T illustrates that the accumulator loss seriously needs to change.
2. the detection of a lead-acid accumulator and method for supervising, be characterised in that the controller that utilizes photovoltaic system is presented at terminal device or host computer with each examination and controlling result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105595372A CN103135063A (en) | 2012-12-21 | 2012-12-21 | Detection and monitoring method of lead-acid storage battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105595372A CN103135063A (en) | 2012-12-21 | 2012-12-21 | Detection and monitoring method of lead-acid storage battery |
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| Publication Number | Publication Date |
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| CN103135063A true CN103135063A (en) | 2013-06-05 |
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| CN2012105595372A Pending CN103135063A (en) | 2012-12-21 | 2012-12-21 | Detection and monitoring method of lead-acid storage battery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391252A (en) * | 2014-12-04 | 2015-03-04 | 上海理工大学 | Automobile lead-acid battery health state detection method |
| CN105098728A (en) * | 2015-08-20 | 2015-11-25 | 无锡中星微电子有限公司 | Battery protection circuit and power source system |
| CN107478997A (en) * | 2017-08-01 | 2017-12-15 | 中国铁塔股份有限公司 | A kind of base station storage batteries appraisal procedure and device |
| CN109765492A (en) * | 2019-01-09 | 2019-05-17 | 科华恒盛股份有限公司 | UPS energy storage battery test method and terminal device |
| CN112327194A (en) * | 2020-10-21 | 2021-02-05 | 北京航空航天大学 | Lithium battery capacity diving identification method and device |
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| CN1451972A (en) * | 2002-04-19 | 2003-10-29 | 中国石油天然气股份有限公司 | UPS battery on-line monitoring method and device |
| CN101241170A (en) * | 2008-03-07 | 2008-08-13 | 天津力神电池股份有限公司 | Lithium ionic cell monomer or batteries low temperature performance evaluation method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391252A (en) * | 2014-12-04 | 2015-03-04 | 上海理工大学 | Automobile lead-acid battery health state detection method |
| CN104391252B (en) * | 2014-12-04 | 2017-02-22 | 上海理工大学 | Automobile lead-acid battery health state detection method |
| CN105098728A (en) * | 2015-08-20 | 2015-11-25 | 无锡中星微电子有限公司 | Battery protection circuit and power source system |
| CN105098728B (en) * | 2015-08-20 | 2018-08-28 | 无锡中感微电子股份有限公司 | A kind of battery protecting circuit and power-supply system |
| CN107478997A (en) * | 2017-08-01 | 2017-12-15 | 中国铁塔股份有限公司 | A kind of base station storage batteries appraisal procedure and device |
| CN107478997B (en) * | 2017-08-01 | 2020-08-18 | 中国铁塔股份有限公司 | Base station storage battery evaluation method and device |
| CN109765492A (en) * | 2019-01-09 | 2019-05-17 | 科华恒盛股份有限公司 | UPS energy storage battery test method and terminal device |
| CN112327194A (en) * | 2020-10-21 | 2021-02-05 | 北京航空航天大学 | Lithium battery capacity diving identification method and device |
| CN112327194B (en) * | 2020-10-21 | 2021-09-24 | 北京航空航天大学 | A lithium battery capacity diving identification method and device |
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Application publication date: 20130605 |