CN106353689A - System and method capable of rapidly screening ex-service storage batteries - Google Patents
System and method capable of rapidly screening ex-service storage batteries Download PDFInfo
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- CN106353689A CN106353689A CN201610822039.0A CN201610822039A CN106353689A CN 106353689 A CN106353689 A CN 106353689A CN 201610822039 A CN201610822039 A CN 201610822039A CN 106353689 A CN106353689 A CN 106353689A
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- battery
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- accumulator
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- test
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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
-
- 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]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The invention provides a system and a method capable of rapidly screening ex-service storage batteries. The system comprises a tester, a management platform, a smart client and a miniprinter, wherein the tester is in wireless communication with the management platform and the smart client, and the smart client is in wireless communication with the management platform and the miniprinter. The system capable of rapidly screening the ex-service storage batteries has the advantages that the system is capable of efficiently, conveniently and cheaply weeding out the storage batteries without echelon use value obviously, so that on-site storage battery detection and screening efficiency is greatly improved, and cost is reduced; the system is applicable to large-scale on-site detection of storage batteries for echelon use.
Description
Technical field
The present invention relates to a kind of detecting system of retired accumulator and in particular to a kind of retired accumulator of rapid screening be
System.
Background technology
Along with the fast development of electric automobile, the scale of storage battery for electric vehicle also day by day expands, but due to electronic vapour
Car is higher to the performance requirement of accumulator, when accumulator hydraulic performance decline to a certain extent after (capacity attenuation arrives rated capacity
70-80%), in order to ensure the security performance in the power performance of electric automobile, continual mileage and running, it is necessary for it
Changed.From electric automobile, the retired accumulator got off, still has higher residual capacity, these batteries through screening and
Again combo, it is possible to apply in relatively good, relatively low to the battery performance requirements occasion of operating mode, realize retired accumulator
Echelon utilize.
Accumulator have passed through after the life-time service on electric automobile, and the performance of battery substantially fails, and some accumulator can
Can no longer possess the value of echelon utilization.Therefore, for retired accumulator, need to re-start detection, to determine it
Whether possesses the probability of echelon utilization.For possessing the accumulator using probability for the echelon, monomer applications are often inadequate,
Also need to carry out connection in series-parallel combination.It is desirable to the performance of accumulator is consistent as far as possible during accumulator restructuring.It is thus desirable to electric power storage
Pond detecting system possesses the function that the accumulator detecting is carried out again with combo.Existing detecting device for storage battery mainly has:
Accumulator cell charging and discharging instrument, battery open-circuit voltage tester, determine frequency battery AC internal resistance test device and ac impedance measurement instrument.
Accumulator cell charging and discharging instrument is typically with the 1/3c multiplying power of battery capacity, and battery is carried out with the charge and discharge cycles of 3 times, such electricity
The time it is necessary to nearly one day is tested in pond, efficiency low it is impossible to meet retired ice storing time field quick detection
Require；The voltage of battery only tested by battery open-circuit voltage tester, does not associate open-circuit voltage with the state-of-charge of battery
Get up, also cannot reflect that battery whether there is that self-discharge rate is high or the situation of internal micro-short circuit, and both batteries all have very much
It is likely to result in battery security incident in use it is impossible to judge whether accumulator possesses time probability of utilization；Fixed
Frequency battery AC internal resistance test device is typically to measure the internal resistance in 1000hz for the battery, due to the electrochemical reaction of inside battery
It is a continuous process, the AC internal Resistance of a certain frequency can only reflect the electrochemical reaction process of a certain section of inside battery, no
The situation of the internal resistance of cell can comprehensively be reflected very much, the value judgment whether having echelon utilization for retired accumulator is forbidden
Really；Ac impedance measurement instrument is from high frequency to low frequency, battery to be scanned, a scanning process, it usually needs dozens of minutes
Time, it is unsatisfactory for the requirement of engineer applied field quick detection, and scanning device is also costly, complex operation, need to carry out
Professional training, this also increases the cost of detection.
Content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of system and the side of the retired accumulator of rapid screening
Method, can eliminate the battery substantially not possessing echelon value accurately, efficiently, conveniently, at low cost, substantially increase accumulator
Detection and screening efficiency, and reduce cost.
In order to realize foregoing invention purpose, the present invention adopts the following technical scheme that:
A kind of system of the retired accumulator of rapid screening, described system includes: tester, management platform, SmartClient
And mini-printer；Described tester is communicated with described management platform and described SmartClient by communication, institute
State SmartClient to communicate with described management platform and described mini-printer by communication.
Preferably, described tester is used for battery being tested and sieving and grading according to retired accumulator sorting standard,
Upload test data to described management platform；Described management platform is used for storage and the analysis of battery data, and setting accumulator is surveyed
Examination parameter and sorting standard, propose battery combo scheme；Described SmartClient is used for gathering the test data of described tester
And upload described management platform, complete battery data inquiry, statistics, parameter issues operation, electronic tag scans；Described miniature beat
Print machine is used for the information labels of printing test battery, and including sorting mark, battery numbering and battery parameter, described information label has
There is Pasting characteristic.
Preferably, described tester test battery open circuit voltage and AC internal Resistance, inner walkway frequency is in 0～100hz model
In enclosing；The test frequency of described tester and accumulator sorting standard issue parameter or by locally setting manually by described management platform
Put；Described tester carries memory element, in the case of no communication network, first stores test data to described memory element,
It is uploaded to described management platform when having communication network.
Preferably, described SmartClient is additionally operable to scan the electronic tag reading on battery, bar code or Quick Response Code, will
The coding of battery is associated with test data, and writes information to electronic tag.
Preferably, described management platform stores the data of all retired accumulator in its range of management, compiles including battery
Number, parameter, position, source, sorting classification, criteria for classification, combo information, battery data is analyzed, counts, generates report
Table.
Preferably, described management platform utilizes according to battery echelon requirement and the cell number that the transmission of described tester comes
According to, in range of management all can echelon using battery carry out screening, combo and management and running.
Preferably, a kind of method of the retired accumulator of rapid screening is it is characterised in that methods described comprises the steps:
Tester is tested to battery, and test result is reported management platform；
Battery sorting is carried out according to test result；
Management platform is analyzed to test result, screens satisfactory battery, formulates battery combo scheme again.
Preferably, described step (1) comprises the steps:
Step 1-1, from the retired accumulator of batch, extract mesuring battary sample, battery is tested, obtains different survey
Under examination frequency, the relation curve of the internal resistance of cell and battery remaining power, and open-circuit voltage is bent with the relation of battery remaining power
Line；
Step 1-2, the above correlation curve of analysis, find out the internal resistance of cell frequency the strongest with the dependency of battery remaining power
Rate point, as the test frequency of the retired battery of this batch；Find out under this frequency, make residual capacity meet echelon using the phase requiring
Corresponding internal resistance of cell value, the internal resistance as the retired battery of this batch sorts standard；Find out and make residual capacity meet echelon utilization
The corresponding open-circuit voltage values requiring, the voltage as the retired battery of this batch sorts standard；
Step 1-3, the test frequency of this batch battery and sorting standard are input to management platform, in the form of to broadcast under
Issue all testers participating in this batch battery testing；
Step 1-4, using tester, this batch accumulator is tested, obtain accumulator internal resistance and open-circuit voltage；
Accumulator internal resistance is compared with sorting standard by step 1-5, tester with open-circuit voltage, if two all meet and want
Ask, then judge this battery as qualified；Otherwise, it is determined that this battery is unqualified；
Battery testing data and separation results are sent to SmartClient and management platform by step 1-6, tester.
Preferably, described step (2) comprises the steps:
Step 2-1, by mesuring battary successively pasting electronic label；
Step 2-2, complete battery testing after, test data is sent to SmartClient by tester；
The battery Unified number Auto-matching that test data and management platform are generated by step 2-3, SmartClient；
Step 2-4, SmartClient scan the electronic tag of battery successively, and battery numbering and test result are write electronics
Label；
Step 2-5, SmartClient send print command to mini-printer, and mini-printer prints according to test result
Information labels, label is pasted onto on corresponding battery successively；
The electronic tag of battery is numbered by step 2-6, SmartClient, test data and the selection result send and put down to management
Platform, data is stored in data base by management platform.
According to claim 7, method is it is characterised in that described step (3) comprises the steps:
After step 3-1, each charging station carry out on-the-spot test to battery, test data is sent to management platform, pipe
Platform is stored to data and is counted；
The demand that step 3-2, management platform utilize according to battery echelon, according to including the site of accumulator, model, ginseng
Number, the condition of service life, preliminary screening goes out to meet echelon using the battery requiring；
Step 3-3, the echelon that preliminary screening goes out is tested further using battery, it is flat that test data uploads management
Platform, management platform rejects problematic battery according to test result；
Step 3-4, the combo again that carried out by the close battery of management platform selection parameter, generate combo scheme；
Step 3-5, issue battery combo scheme by management platform, after battery again combo, be sent to each battery ladder
Secondary utilization user.
Compared with prior art, the beneficial effects of the present invention is:
The present invention substantially increases ice storing time and screening efficiency, and reduces cost.By ice storing time system
System can eliminate the battery substantially not possessing echelon value accurately, efficiently, conveniently, at low cost, and is suitable for extensive storage
The Site Detection application that battery echelon utilizes, has filled up the sky using live ice storing time system for the extensive accumulator echelon
In vain.
Brief description
Fig. 1 is a kind of schematic diagram of the system of the retired accumulator of rapid screening that the present invention provides
Fig. 2 is a kind of flow chart of the method for the retired accumulator of rapid screening that the present invention provides
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail.
As shown in figure 1, the system of the retired accumulator of rapid screening of the present invention includes: tester, management platform, handss
Machine client, auxiliary equipment has mini-printer.
(1) tester: tester deposits the parameters such as on-site rapid measurement battery tension, internal resistance in accumulator, according to moving back
Labour accumulator sorting standard carries out sieving and grading to battery.Tester has the following characteristics that
1) tester test battery open circuit voltage and AC internal Resistance, inner walkway frequency is adjustable in the range of 0～100hz；
2) test frequency and sorting standard can issue parameter setting by management platform it is also possible to locally arrange manually；
3) tester is connected with cell-phone customer terminal, management platform by the communication mode such as gprs, wifi, receives management platform
The parameter issuing, uploads of battery test data.
(2) management platform: management platform server stores the data of all retired accumulator in its range of management, including
Battery numbering, parameter, position, source, sorting classification, criteria for classification, combo information etc..Management platform utilizes according to battery echelon
Requirement and tester upload battery data, in range of management all can echelon using battery carry out screening, join
Group and management and running.The management personnel with authority can pass through the Internet landing platform, and retired accumulator is managed, real
The existing operation such as battery data inquiry, statistics, battery combo, report printing.
(3) cell-phone customer terminal: cell-phone customer terminal is connected with management platform by the communication mode such as gprs, wifi, obtains pipe
The battery Unified number that platform generates.Be connected with tester by communication simultaneously, can with read test instrument data,
Issue parameter；It is connected with mini-printer by communication, battery testing and the selection result can be printed as gluing
Labeling is known；By scanning the electronic tag on battery, test result is write corresponding electronic tag, to carry out entirely to battery
Life-span management.
(5) mini-printer: mini-printer can print the label of Pasting.By communication and mobile phone visitor
Family end is connected, and after often completing the test of a Battery pack, cell-phone customer terminal sends the order printing tag along sort to mini-printer.
Each label corresponds to a battery, label prints No. id of battery, class indication, the information (optional) such as battery parameter,
It is pasted onto on battery.Tag along sort is obvious visual representation, is easy to operator and quickly identifies cell classification, battery is entered
Row next step is processed.
Class indication: if battery through screening after be divided into Ganlei, for example: qualified and unqualified, or 1 class, 2 classes, 3
Class ....For the ease of distinguishing, class indication can be represented with color or numeral.
As shown in Fig. 2 being a kind of method of the retired accumulator of rapid screening, specifically comprise the following steps that
Step 1, tester are tested to battery, and test result is reported management platform；
Tester quickly measures the parameters such as battery tension, internal resistance.In order to improve the accuracy of Battery Diagnostic sorting and fast
Speed, tester adopts variable frequency to measure battery AC internal Resistance, and reason is as follows:
In general, the residual capacity of accumulator is less, and the internal resistance of battery is bigger, and open-circuit voltage is lower.Most electricity at present
Pond detection means adopts fixed frequency 1khz to measure battery AC internal Resistance.According to a large amount of theoretical researches and experiment results proved, right
In the residual capacity of battery and the dependency of battery AC internal Resistance, when test frequency is at low frequency section (about between 0～100hz)
More sensitive, frequency tests the residual capacity situation that the internal resistance of cell can accurately not embody retired accumulator to therefore 1khz surely.Again
Because for dissimilar and batch battery, most sensitive test frequency can be different, therefore accomplish that test frequency is variable
With adjustable it is possible to the test frequency of tester be set as the most sensitive frequency of this batch battery, thus obtaining the most accurate
Diagnostic result.
Specific Battery Diagnostic method is as follows:
1) sampling test: extract mesuring battary sample from the retired accumulator of batch, carry out battery remaining power, test frequency
Rate, the internal resistance of cell, the dependence test of open-circuit voltage, obtain under different test frequencies, the internal resistance of cell and battery remaining power
Relation curve, and the relation curve of open-circuit voltage and battery remaining power.
2) analyze: analyze above correlation curve, find out the internal resistance of cell frequency the strongest with the dependency of battery remaining power
Rate point, as the test frequency of the retired battery of this batch；Find out under this frequency, make residual capacity meet echelon using the phase requiring
Corresponding internal resistance of cell value, the internal resistance as the retired battery of this batch sorts standard；Find out and make residual capacity meet echelon utilization
The corresponding open-circuit voltage values requiring, the voltage as the retired battery of this batch sorts standard.
3) issue parameter: the test frequency of this batch battery and sorting standard are input to management platform, with the shape of broadcast
Formula is handed down to all testers participating in this batch battery testing.By cell-phone customer terminal or manually, a certain can also be tested
Instrument is configured.Tester accepts setting command, adjusts selftest frequency, and arranges internal resistance and voltage sorting standard.
4) test: operator is tested to accumulator using tester, obtain accumulator internal resistance and open-circuit voltage.
5) diagnose: accumulator internal resistance is compared with sorting standard by tester with open-circuit voltage, if two all meet and want
Ask, then judge this battery as qualified；Otherwise, it is determined that this battery is unqualified.
6) upload data: battery testing data and separation results are passed through gprs by tester, the communication mode such as wireless sends
To cell-phone customer terminal and management platform.
Step 2, battery sorting is carried out according to test result；
Accumulator echelon has substantial amounts of accumulator to stack using scene, for convenience accumulator is distinguished, each battery must
Must have unique number；After battery testing diagnosis, need to carry out classification process to battery.The present invention is by the unified life of management platform
Become a Battery pack numbering, be issued to cell-phone customer terminal, with battery testing data Auto-matching.By scanning electron label, mobile phone
Battery numbering and test data are write the electronic tag of each battery by client.Tag along sort is printed by mini-printer,
It is pasted in accumulator and realize visualized management.
Specific battery sorting method is as follows:
1) give one group of mesuring battary pasting electronic label successively.If (existing electronic tag on mesuring battary, this step saves
Slightly)
2), after completing the test of this Battery pack, test data is sent to cell-phone customer terminal by tester.
3) test data and management platform are issued battery Unified number Auto-matching by cell-phone customer terminal.
4) cell-phone customer terminal scans the electronic tag of this Battery pack successively, and battery numbering and test result are write electronics mark
Sign.
5) cell-phone customer terminal sends print command to mini-printer, and mini-printer prints contingency table according to test result
Sign, label is pasted onto on corresponding battery successively.
6) electronic tag of this Battery pack is numbered by cell-phone customer terminal, test data and the selection result send and put down to management
Platform, data is stored in data base by management platform.
Step 3, management platform are analyzed to test result, screen satisfactory battery, formulate battery combo again
Scheme.
Management platform receives the live battery testing data of different charging stations, and accumulator testing data is analyzed,
Setting accumulator screening and combo standard, filter out satisfactory accumulator, formulate battery combo scheme again, to each station
Echelon carry out United Dispatching using battery.
Specific battery recombination method is as follows:
1), after each charging station carries out on-the-spot test to battery, test data is sent to management platform, management platform
Data is stored and is counted.
2) demand that management platform utilizes according to battery echelon, according to the site of accumulator, model, parameter, service life
Etc. condition, preliminary screening goes out to meet echelon using the battery requiring.
3) echelon that preliminary screening goes out is tested further using battery, test data uploads management platform, management
Platform rejects problematic battery according to test result.
4) combo again is carried out by the close battery of management platform selection parameter, generate combo scheme.
5) battery combo scheme is issued by management platform, after battery again combo, be sent to each battery echelon and utilize
User.
Finally it should be noted that: above example is only not intended to limit in order to technical scheme to be described, to the greatest extent
Pipe has been described in detail to the present invention with reference to above-described embodiment, and those of ordinary skill in the art are it is understood that still
The specific embodiment of the present invention can be modified or equivalent, and any without departing from spirit and scope of the invention
Modification or equivalent, it all should be covered in the middle of scope of the presently claimed invention.
Claims (10)
1. a kind of system of the retired accumulator of rapid screening is it is characterised in that described system includes: tester, management platform, intelligence
Can client and mini-printer；Described tester passes through communication and described management platform and described SmartClient
Communication, described SmartClient is communicated with described management platform and described mini-printer by communication.
2. according to claim 1 system it is characterised in that described tester be used for according to retired accumulator sort standard pair
Battery is tested and sieving and grading, uploads test data to described management platform；Described management platform is used for battery data
Storage and analysis, setting accumulator testing parameter and sorting standard, propose battery combo scheme；Described SmartClient is used for adopting
Collect the test data of described tester and upload described management platform, complete battery data inquiry, statistics, parameter issue operation,
Electronic tag scans；Described mini-printer be used for printing test battery information labels, include sorting mark, battery number and
Battery parameter, described information label has Pasting characteristic.
3. according to claim 1 system it is characterised in that described tester test battery open circuit voltage and AC internal Resistance,
Inner walkway frequency is in the range of 0～100hz；The test frequency of described tester and accumulator sorting standard are flat by described management
Platform issues parameter or by locally arranging manually；Described tester carries memory element, in the case of no communication network, first will test
Data storage, to described memory element, is uploaded to described management platform when having communication network.
4. system reads the electricity on battery it is characterised in that described SmartClient is additionally operable to scanning according to claim 1
Subtab, bar code or Quick Response Code, the coding of battery is associated with test data, and writes information to electronic tag.
5. according to claim 1 system it is characterised in that described management platform store all retired in its range of management
The data of accumulator, including battery numbering, parameter, position, source, sorting classification, criteria for classification, combo information, to cell number
According to being analyzed, count, generate form.
6. according to claim 1 system it is characterised in that the requirement that utilized according to battery echelon of described management platform and
The battery data that the transmission of described tester comes, in range of management all can echelon using battery carry out screening, combo and
Management and running.
7. a kind of method of the retired accumulator of rapid screening is it is characterised in that methods described comprises the steps:
(1) tester is tested to battery, and test result is reported management platform；
(2) battery sorting is carried out according to test result；
(3) management platform is analyzed to test result, screens satisfactory battery, formulates battery combo scheme again.
8. according to claim 7 method it is characterised in that described step (1) comprises the steps:
Step 1-1, from the retired accumulator of batch, extract mesuring battary sample, battery is tested, obtains different test frequencies
Under rate, the relation curve of the internal resistance of cell and battery remaining power, and the relation curve of open-circuit voltage and battery remaining power；
Step 1-2, the above correlation curve of analysis, find out the internal resistance of cell frequency the strongest with the dependency of battery remaining power
Point, as the test frequency of the retired battery of this batch；Find out under this frequency, make residual capacity meet echelon relative using require
The internal resistance of cell value answered, the internal resistance as the retired battery of this batch sorts standard；Find out make residual capacity meet echelon using will
The corresponding open-circuit voltage values asked, the voltage as the retired battery of this batch sorts standard；
Step 1-3, the test frequency of this batch battery and sorting standard are input to management platform, are handed down in the form of broadcasting
All testers participating in this batch battery testing；
Step 1-4, using tester, this batch accumulator is tested, obtain accumulator internal resistance and open-circuit voltage；
Accumulator internal resistance is compared with sorting standard by step 1-5, tester with open-circuit voltage, if two all meet requirement,
Judge this battery as qualified；Otherwise, it is determined that this battery is unqualified；
Battery testing data and separation results are sent to SmartClient and management platform by step 1-6, tester.
9. according to claim 7 method it is characterised in that described step (2) comprises the steps:
Step 2-1, by mesuring battary successively pasting electronic label；
Step 2-2, complete battery testing after, test data is sent to SmartClient by tester；
The battery Unified number Auto-matching that test data and management platform are generated by step 2-3, SmartClient；
Step 2-4, SmartClient scan the electronic tag of battery successively, and battery numbering and test result are write electronics mark
Sign；
Step 2-5, SmartClient send print command to mini-printer, and mini-printer is according to test result type information
Label, label is pasted onto on corresponding battery successively；
The electronic tag of battery is numbered by step 2-6, SmartClient, test data and the selection result send to management platform,
Data is stored in data base by management platform.
10. according to claim 7 method it is characterised in that described step (3) comprises the steps:
After step 3-1, each charging station carry out on-the-spot test to battery, test data is sent to management platform, management is flat
Platform is stored to data and is counted；
The demand that step 3-2, management platform utilize according to battery echelon, according to including the site of accumulator, model, parameter, make
With the condition of the time limit, preliminary screening goes out to meet echelon using the battery requiring；
Step 3-3, the echelon that preliminary screening goes out is tested further using battery, test data uploads management platform, pipe
Platform rejects problematic battery according to test result；
Step 3-4, the combo again that carried out by the close battery of management platform selection parameter, generate combo scheme；
Step 3-5, issue battery combo scheme by management platform, after battery again combo, be sent to each battery echelon profit
User.
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| CN113019964A (en) * | 2019-12-09 | 2021-06-25 | 杭州科工电子科技有限公司 | System and method for quickly sorting retired power batteries |
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