CN106707183A - Method and device for discharge test of storage battery - Google Patents
Method and device for discharge test of storage battery Download PDFInfo
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- CN106707183A CN106707183A CN201611131836.0A CN201611131836A CN106707183A CN 106707183 A CN106707183 A CN 106707183A CN 201611131836 A CN201611131836 A CN 201611131836A CN 106707183 A CN106707183 A CN 106707183A
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- Prior art keywords
- discharge
- curve
- battery
- template
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
Abstract
The present invention discloses a method and a device for the discharge test of a storage battery. The method comprises the steps of determining discharge parameters for the discharge test of a storage battery; according to the discharge parameters, conducting the discharge test on the storage battery; acquiring the discharge curve of the storage battery during the process of the discharge test; searching a template curve matched with the discharge curve of the storage battery during the process of the discharge test and determining the operation state of the storage battery according to the matched template curve. According to the technical scheme of the invention, the technical problem in the prior art that the discharge test on storage batteries lasts for a long period of time can be solved.
Description
Technical field
The present invention relates to testing field, in particular to a kind of battery discharging method of testing and device.
Background technology
Battery is the important component of transforming plant DC power supply, and transformer station is widely used in as back-up source, its
Reliability directly influences the safe operation of power network.Transformer station's operation maintenance personnel detects electric power storage often through verification property discharge test
The capacity and operation conditions of pond group, to prevent in transformer station's AC fault, battery group capacity cannot normal run with load.
The electric discharge of verification property is to test batteries operation conditions, judge the conventional means of battery group capacity, and the method can
Effectively to find the problem that batteries are present.But the verification electric discharge elapsed time of standard is long, in maintenance O＆M people
Member is less and in the case that maintenance site is more, huge with respect to workload.
At present the maintenance of battery and capacity are judged to be discharged by the property checked to realize.Verification property discharge test energy
Enough actual capacities for more accurately estimating battery, but there is following defect in it：(1) the verification discharge test of standard is used
The discharge current of 0.1C, discharge the general 10h of duration, and electric discharge needs to re-start batteries charging after terminating.Verification property is put
The electric time is more long, and manpower and materials are relatively costly.(2) carried out when standing with only one group of batteries the electric discharge of verification property exist it is certain
Risk, battery backup, complex operation are also needed to for the sake of safety.(3) special discharge equipment is needed.(4) cannot be to electric power storage
Pond state is predicted.
For the technical problem that used time when carrying out discharge test to battery in the prior art is more long, not yet propose have at present
The solution of effect.
The content of the invention
A kind of battery discharging method of testing and device are the embodiment of the invention provides, it is right in the prior art at least to solve
Battery carries out the technical problem more long of used time during discharge test.
A kind of one side according to embodiments of the present invention, there is provided battery discharging method of testing, including：It is determined that to storing
Battery carries out the discharge parameter of discharge test；Discharge test is carried out to battery according to discharge parameter；Battery is obtained in electric discharge
Discharge curve in test process；Search template curve and root that the discharge curve with battery during discharge test is matched
The running status of battery is determined according to the template curve of matching.
Further, it is determined that including to the discharge parameter that battery carries out discharge test：Determine the rated capacity of battery；
The discharge current of battery is determined according to rated capacity；It is determined that to the maximum electric discharge duration of battery discharging.
Further, obtaining discharge curve of the battery during discharge test includes：Adopted according to prefixed time interval
Real-time voltage and real-time current of the collection battery during discharge test；According to real-time voltage more new accumulator in discharge test
During real-time voltage curve；According to real-time current curve of the real-time current more new accumulator during discharge test.
Further, the template curve that discharge curve of the lookup with battery during discharge test is matched includes：Really
Determine the corresponding discharge parameter type of discharge curve；In pre-programmed curve ATL search it is corresponding with discharge parameter type one or
Multiple template curve；One or more template curves that will be found respectively are contrasted to determine discharge curve with discharge curve
With the coincidence factor of each template curve for finding；Determine that the electric discharge with battery during discharge test is bent according to coincidence factor
The template curve of lines matching.
Further, the template curve according to matching determines that the running status of battery includes：It is determined that the template of matching is bent
The corresponding running status of line, wherein, each template curve stored in pre-programmed curve ATL corresponds to unique operation shape
State；Determine discharge curve of the battery during discharge test and the bias ratio between the template curve for matching；According to deviation
Rate running status corresponding with the template curve of matching determines the running status of battery.
Another aspect according to embodiments of the present invention, additionally provides a kind of battery discharging test device, including：It is determined that single
Unit, the discharge parameter for determining to carry out battery discharge test；Test cell, for entering to battery according to discharge parameter
Row discharge test；Acquiring unit, for obtaining discharge curve of the battery during discharge test；Searching unit, for looking into
Look for template curve that the discharge curve with battery during discharge test is matched and determine to store according to the template curve of matching
The running status of battery.
Further, it is determined that unit includes：First determining module, the rated capacity for determining battery；Second determines
Module, the discharge current for determining battery according to rated capacity；3rd determining module, for determining to battery discharging
Maximum electric discharge duration.
Further, acquiring unit includes：Acquisition module, for being surveyed in electric discharge according to prefixed time interval collection battery
Real-time voltage and real-time current during examination；First update module, for being surveyed in electric discharge according to real-time voltage more new accumulator
Real-time voltage curve during examination；Second update module, for according to real-time current more new accumulator in discharge test process
In real-time current curve.
Further, searching unit includes：4th determining module, for determining the corresponding discharge parameter class of discharge curve
Type；Searching modul, for searching one or more template curves corresponding with discharge parameter type in pre-programmed curve ATL；
Contrast module, one or more template curves and discharge curve for will find respectively are contrasted to determine discharge curve
With the coincidence factor of each template curve for finding；5th determining module, for being determined with battery in electric discharge according to coincidence factor
The template curve of the discharge curve matching in test process.
Further, the 5th determining module includes：First determination sub-module, the template curve for determining matching is corresponding
Running status, wherein, each template curve stored in pre-programmed curve ATL corresponds to unique running status；Second is true
Stator modules, for determining discharge curve of the battery during discharge test and the deviation between the template curve for matching
Rate；3rd determination sub-module, the fortune for determining battery according to bias ratio running status corresponding with the template curve of matching
Row state.
In embodiments of the present invention, by determining to carry out battery the discharge parameter of discharge test；According to discharge parameter
Discharge test is carried out to battery；Obtain discharge curve of the battery during discharge test；Search with battery in electric discharge
The template curve of the discharge curve matching in test process simultaneously determines the running status of battery according to the template curve of matching, solution
Determine the technical problem more long of used time when carrying out discharge test to battery in the prior art, and then realized shortening to battery
Carry out the technique effect of the time of discharge test.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of a kind of optional battery discharging method of testing according to embodiments of the present invention；
Fig. 2 is the schematic diagram of a kind of optional battery discharging test device according to embodiments of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection
Enclose.
It should be noted that term " first ", " in description and claims of this specification and above-mentioned accompanying drawing
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or other intrinsic steps of equipment or unit.
According to the embodiment of the present application, there is provided a kind of embodiment of battery discharging method of testing.
Fig. 1 is the flow chart of a kind of optional battery discharging method of testing according to embodiments of the present invention, such as Fig. 1 institutes
Show, the method comprises the following steps：
Step S101, it is determined that carrying out the discharge parameter of discharge test to battery；
Step S102, discharge test is carried out according to discharge parameter to battery；
Step S103, obtains discharge curve of the battery during discharge test；
Step S104, searches template curve and basis that the discharge curve with battery during discharge test is matched
The template curve matched somebody with somebody determines the running status of battery.
Above-mentioned steps are further explained below are described as follows：
Discharge test is battery to be discharged to test the method for testing of the performance of battery, and discharge parameter is right
Battery carries out the test parameter set during discharge test, for example, size of current, electric discharge during battery discharging when
It is long etc..
After it is determined that carrying out the discharge parameter of discharge test to battery, battery is discharged according to discharge parameter
Test.Specifically, the discharging tester of battery can be configured, or, it is also possible to according to specific discharge test
It is the discharge parameter determined that method sets discharge parameter.If for example, size of current when setting battery discharging is 0.1 times
Capacity, then according to the amount of capacity of battery, calculate need set discharge current value, then according to discharge current value determine
It is connected to the size of the load of battery.
After discharge test is carried out to battery according to discharge parameter, battery putting during discharge test is obtained
Electric curve.Discharge curve can be the curve of each electrical parameter for gathering battery in discharge process, for example, being adopted according to default
Sample time interval gathers current value of the battery in discharge process, and the relation curve of electric current and time is drawn after record, obtains
Discharge current curves to battery during discharge test.
After discharge curve of the battery during discharge test is obtained, search with battery in discharge test process
In discharge curve matching template curve and the running status of battery is determined according to the template curve of matching.Template curve is
For the template of the curve as normative reference, for example, template curve can include that the electric discharge of battery normal discharge is bent
Line, discharge curve of battery pack open circuit discharge process etc..Template curve can be the verification carried out between discharge test is carried out
Property discharge test, pair determine that normal battery discharges, the discharge curve conduct during record verification property discharge test
One template curve.After this discharge test is carried out, searched and this discharge test in one or more template curves
During the template curve that matches of discharge curve, determine that battery is current with the running status according to corresponding to template curve
Running status.
Compareed with template curve by by the discharge curve during discharge test, can not be by the whole of battery
Electricity is discharged, and the electric discharge trend of battery is represented according to the discharge curve in one section of short period, to reach determination battery
The effect of running status.
In embodiments of the present invention, by determining to carry out battery the discharge parameter of discharge test；According to discharge parameter
Discharge test is carried out to battery；Obtain discharge curve of the battery during discharge test；Search with battery in electric discharge
The template curve of the discharge curve matching in test process simultaneously determines the running status of battery according to the template curve of matching, solution
Determine the technical problem more long of used time when carrying out discharge test to battery in the prior art, and then realized shortening to battery
Carry out the technique effect of the time of discharge test.
Preferably, it is determined that including to the discharge parameter that battery carries out discharge test：Determine the rated capacity of battery；Root
The discharge current of battery is determined according to rated capacity；It is determined that to the maximum electric discharge duration of battery discharging.
The rated capacity C of battery is the battery capacity of battery, it is determined that during discharge current in discharge parameter, can be with
The discharge current of battery is determined according to rated capacity, due to battery using a period of time after, its capacity can decline, it is necessary to
Discharge current value is determined according to the rated capacity that battery is current, for example, it may be determined that 0.1 times of rated capacity is discharge current
Design parameter value.Determine that the discharge parameter of discharge test also needs to test maximum electric discharge duration.
Preferably, obtaining discharge curve of the battery during discharge test includes：Gathered according to prefixed time interval
Real-time voltage and real-time current of the battery during discharge test；According to real-time voltage more new accumulator in discharge test mistake
Real-time voltage curve in journey；According to real-time current curve of the real-time current more new accumulator during discharge test.
It can draw real-time voltage curve and real-time current curve to draw discharge curve.According to prefixed time interval
Real-time voltage and real-time current during collection discharge test, often collect a real-time voltage value and real-time current value, real
When ground more new accumulator discharge curve.
It is determined that during matching template, whether can be determined more than preset value according to coincidence factor discharge curve whether with template
Curve matches.Specifically, the template curve that discharge curve of the lookup with battery during discharge test is matched can be wrapped
Include：Determine the corresponding discharge parameter type of discharge curve；Searched in pre-programmed curve ATL corresponding with discharge parameter type
One or more template curves；One or more template curves that will be found respectively are contrasted to determine to put with discharge curve
The coincidence factor of electric curve and each template curve for finding；Determined with battery during discharge test according to coincidence factor
The template curve of discharge curve matching.
Alternatively, the bias ratio between discharge curve and the template curve for matching is can be combined with to consider battery
Running status, according between discharge curve and template curve it is different determination batteries running statuses and the template for matching
The gap between running status corresponding to curve.Specifically, each template curve for being stored in pre-programmed curve ATL is equal
The unique running status of correspondence, it is determined that running status corresponding with the template curve that discharge curve matches；Determine that battery exists
The bias ratio between discharge curve and the template curve for matching during discharge test；It is bent according to bias ratio and the template of matching
The corresponding running status of line determines the running status of battery.
It should be noted that can be performed in the terminal the step of the flow of accompanying drawing is illustrated, and, although in flow
Logical order is shown in figure, but in some cases, can be shown or described to perform different from order herein
Step.
According to the embodiment of the present application, there is provided a kind of embodiment of battery discharging test device.
Fig. 2 is the schematic diagram of a kind of optional battery discharging test device according to embodiments of the present invention, such as Fig. 2 institutes
Show, the device includes determining unit 10, test cell 20, acquiring unit 30 and searching unit 40.
Determining unit, the discharge parameter for determining to carry out battery discharge test；Test cell, for according to electric discharge
Parameter carries out discharge test to battery；Acquiring unit, for obtaining discharge curve of the battery during discharge test；Look into
Unit is looked for, for searching template curve that discharge curve with battery during discharge test matches and according to the mould for matching
Plate curve determines the running status of battery.
Preferably, determining unit includes：First determining module, the rated capacity for determining battery；Second determines mould
Block, the discharge current for determining battery according to rated capacity；3rd determining module, for determining to battery discharging most
Big electric discharge duration.
Preferably, acquiring unit includes：Acquisition module, for gathering battery in discharge test according to prefixed time interval
During real-time voltage and real-time current；First update module, for according to real-time voltage more new accumulator in discharge test
During real-time voltage curve；Second update module, for according to real-time current more new accumulator during discharge test
Real-time current curve.
Preferably, searching unit includes：4th determining module, for determining the corresponding discharge parameter type of discharge curve；
Searching modul, for searching one or more template curves corresponding with discharge parameter type in pre-programmed curve ATL；It is right
Than module, one or more template curves and discharge curve for will find respectively contrasted with determine discharge curve with
The coincidence factor of each template curve for finding；5th determining module, for being determined to be surveyed in electric discharge with battery according to coincidence factor
The template curve of the discharge curve matching during examination.
Preferably, the 5th determining module includes：First determination sub-module, the corresponding fortune of template curve for determining matching
Row state, wherein, each template curve stored in pre-programmed curve ATL corresponds to unique running status；Second determines
Submodule, for determining discharge curve of the battery during discharge test and the bias ratio between the template curve for matching；
3rd determination sub-module, the operation shape for determining battery according to bias ratio running status corresponding with the template curve of matching
State.
Above-mentioned device can include processor and memory, and said units can be as program unit storage in storage
In device, corresponding function is realized by computing device storage said procedure unit in memory.
Memory potentially includes the volatile memory in computer-readable medium, random access memory (RAM) and/
Or the form, such as read-only storage (ROM) or flash memory (flash RAM) such as Nonvolatile memory, memory is deposited including at least one
Storage chip.
The sortord of above-mentioned the embodiment of the present application is for illustration only, and the quality of embodiment is not represented.
In above-described embodiment of the application, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment
The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be by other
Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces
Connect, can be electrical or other forms.
In addition, during each functional unit in the application each embodiment can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or use
When, can store in a computer read/write memory medium.Based on such understanding, the technical scheme of the application is substantially
The part for being contributed to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used to so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform the application each embodiment methods described whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above is only the preferred embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. a kind of battery discharging method of testing, it is characterised in that including：
It is determined that carrying out the discharge parameter of discharge test to battery；
The discharge test is carried out to the battery according to the discharge parameter；
Obtain discharge curve of the battery during the discharge test；
Search template curve and described of basis that the discharge curve with the battery during the discharge test is matched
The template curve matched somebody with somebody determines the running status of the battery.
2. method according to claim 1, it is characterised in that it is determined that carrying out the discharge parameter bag of discharge test to battery
Include：
Determine the rated capacity of the battery；
The discharge current of the battery is determined according to the rated capacity；
It is determined that to the maximum electric discharge duration of the battery discharging.
3. method according to claim 1, it is characterised in that obtain the battery during the discharge test
Discharge curve includes：
Real-time voltage and real-time current of the battery during the discharge test are gathered according to prefixed time interval；
Real-time voltage curve of the battery during the discharge test is updated according to the real-time voltage；
Real-time current curve of the battery during the discharge test is updated according to the real-time current.
4. method according to claim 1, it is characterised in that search with the battery during the discharge test
Discharge curve matching template curve include：
Determine the corresponding discharge parameter type of the discharge curve；
One or more template curves corresponding with the discharge parameter type are searched in pre-programmed curve ATL；
The one or more of template curves that will be found respectively are contrasted to determine the electric discharge with the discharge curve
The coincidence factor of curve and each template curve for finding；
Determine that the template that the discharge curve with the battery during the discharge test is matched is bent according to the coincidence factor
Line.
5. method according to claim 4, it is characterised in that the template curve according to the matching determines the battery
Running status include：
Determine the corresponding running status of template curve of the matching, wherein, what is stored in the pre-programmed curve ATL is every
Individual template curve corresponds to unique running status；
Determine inclined between discharge curve of the battery during the discharge test and the template curve for matching
From rate；
The corresponding running status of template curve according to the bias ratio and the matching determines the running status of the battery.
6. a kind of battery discharging test device, it is characterised in that including：
Determining unit, the discharge parameter for determining to carry out battery discharge test；
Test cell, for carrying out the discharge test to the battery according to the discharge parameter；
Acquiring unit, for obtaining discharge curve of the battery during the discharge test；
Searching unit, for searching the template curve that the discharge curve with the battery during the discharge test is matched
And the running status of the battery is determined according to the template curve of the matching.
7. device according to claim 6, it is characterised in that the determining unit includes：
First determining module, the rated capacity for determining the battery；
Second determining module, the discharge current for determining the battery according to the rated capacity；
3rd determining module, for determining the maximum electric discharge duration to the battery discharging.
8. device according to claim 6, it is characterised in that the acquiring unit includes：
Acquisition module, for gathering real-time voltage of the battery during the discharge test according to prefixed time interval
And real-time current；
First update module, it is real-time during the discharge test for updating the battery according to the real-time voltage
Voltage curve；
Second update module, it is real-time during the discharge test for updating the battery according to the real-time current
Current curve.
9. device according to claim 6, it is characterised in that the searching unit includes：
4th determining module, for determining the corresponding discharge parameter type of the discharge curve；
Searching modul, for searching one or more templates corresponding with the discharge parameter type in pre-programmed curve ATL
Curve；
Contrast module, one or more of template curves and the discharge curve for will find respectively contrasted with
Determine the coincidence factor of the discharge curve and each template curve for finding；
5th determining module, for determining the electric discharge with the battery during the discharge test according to the coincidence factor
The template curve of Curve Matching.
10. device according to claim 9, it is characterised in that the 5th determining module includes：
First determination sub-module, the corresponding running status of template curve for determining the matching, wherein, in the default song
Each template curve stored in line template storehouse corresponds to unique running status；
Second determination sub-module, for determining that discharge curve of the battery during the discharge test is matched with described
Template curve between bias ratio；
3rd determination sub-module, institute is determined for the corresponding running status of template curve according to the bias ratio and the matching
State the running status of battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611131836.0A CN106707183A (en) | 2016-12-09 | 2016-12-09 | Method and device for discharge test of storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611131836.0A CN106707183A (en) | 2016-12-09 | 2016-12-09 | Method and device for discharge test of storage battery |
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| CN106707183A true CN106707183A (en) | 2017-05-24 |
Family
ID=58936604
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611131836.0A Pending CN106707183A (en) | 2016-12-09 | 2016-12-09 | Method and device for discharge test of storage battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565643A (en) * | 2017-09-22 | 2018-01-09 | 惠州Tcl移动通信有限公司 | Start method, storage device and the terminal of battery charging based on consumption electric power detection |
| CN108061865A (en) * | 2017-12-26 | 2018-05-22 | 衢州量智科技有限公司 | The bearing calibration of electric automobile lithium battery capacity and means for correcting |
| CN114295997A (en) * | 2021-12-20 | 2022-04-08 | 江苏纵帆微电子有限公司 | Method for monitoring health state of low-voltage storage battery of automobile by using TBOX |
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| CN114295997A (en) * | 2021-12-20 | 2022-04-08 | 江苏纵帆微电子有限公司 | Method for monitoring health state of low-voltage storage battery of automobile by using TBOX |
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Application publication date: 20170524 |