CN107450023A - A kind of online method for assessing battery health status in real time - Google Patents
A kind of online method for assessing battery health status in real time Download PDFInfo
- Publication number
- CN107450023A CN107450023A CN201610363656.9A CN201610363656A CN107450023A CN 107450023 A CN107450023 A CN 107450023A CN 201610363656 A CN201610363656 A CN 201610363656A CN 107450023 A CN107450023 A CN 107450023A
- Authority
- CN
- China
- Prior art keywords
- voltage
- obtains
- battery
- time
- health
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- 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
- G01R31/387—Determining ampere-hour charge capacity or SoC
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of online method for assessing battery health status in real time, including a part of detecting and backstage evaluation part.The present invention can accurately realize the online health state evaluation of battery, realize transformation of the periodic inspection to repair based on condition of component, originally offline discharge test will be carried out to all batteries, it is changed into, just for the 5 10% most backward offline discharge tests of progress of health status, to mitigate the workload of 90% battery service.
Description
Technical field
The present invention relates to appraisal procedure technical field, more particularly to a kind of online method for assessing battery health status in real time.
Background technology
The current main difinite quality test in battery health analysis field and quantitative test two ways.Qualitative test is main online or carries out monomer voltage test offline, voltage uniformity test, inner walkway, battery temperature test；Quantitative test is that batteries are discharged offline by fictitious load.
Conventional qualitative test, has by system on-line testing, or is tested by manual site, battery health can only be judged by associated voltage uniformity or the uniformity of internal resistance, SOC accuracy is not high；
Offline electric discharge accuracy is preferable, but needs manual site to operate for 10 hours, and labor intensity is big, and operating efficiency is low.
Online electric discharge lacks effective charging monitoring, in the presence of certain system hidden trouble when unattended because discharge current is big, discharge time length.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides a kind of online method for assessing battery health status in real time.
The present invention is achieved through the following technical solutions above-mentioned purpose：
The present invention includes a part of detecting and backstage evaluation part, and the part of detecting comprises the following steps：
Step 1：To batteries to be measured selection " outstanding ", " qualified ", " replacing " normal cell group, round-the-clock monomer voltage monitoring U1...Un, monomer voltage uniformity monitoring △ U1... △ Un are carried out, obtains voltage time U/t curves, voltage uniformity value △ Un/t；
Step 2：Standard storage battery group carries out online fix time electric discharge of the multicycle to system actual loading, obtains volt-time curve；Progress is once determined voltage and discharged online, obtains actual power time value Tn；
Step 3：Electric discharge terminates, and before turning charging, carries out the state inner walkway that once discharges to battery, obtains monomer internal resistance value Rn；
The backstage evaluation part comprises the following steps
Step a：Property interval screening is carried out according to the volt-time curve obtained in step 2, establishes voltage probability function figure and voltage amount value table；Internal resistance value table is obtained according to step 2；
Step b：According to the characteristic interval and voltage probability function figure obtained in step a, the quantity of the electrical voltage point in the section is fallen into count similar battery each time " electric discharge of fixing time " and " determining tension discharge " volt-time curve；
Step c：The quantity that point electrical voltage point is obtained according to step b is compared with the voltage amount value table that step a is obtained, and obtains voltage amount health index HU；
Step d：It is compared according to the internal resistance value that step 3 obtains with the internal resistance value table that step a is obtained, obtains internal resistance value health index HR；
Step e：Voltage uniformity value is obtained according to step 1, obtains voltage uniformity health index H△ U；
Step f：Determine voltage according to step 2 to discharge online, obtain the actual power time, obtain actual power time health index HT；
Step g：According to storage battery appearance, if leakage, if blow-up, obtain battery physical health index HW；
Step h：The health index according to obtained by step c, d, e, f, g, battery health figure is drawn, draws health value.
The beneficial effects of the present invention are：
The present invention can accurately realize the online health state evaluation of battery, realize transformation of the periodic inspection to repair based on condition of component, originally offline discharge test will be carried out to all batteries, it is changed into carrying out offline discharge test just for the most backward 5-10% of health status, the workload of 90% battery service can be mitigated.
Embodiment
The invention will be further described below：
The present invention includes a part of detecting and backstage evaluation part, and the part of detecting comprises the following steps：
Step 1：To batteries to be measured selection " outstanding ", " qualified ", " replacing " normal cell group, round-the-clock monomer voltage monitoring U1...Un, monomer voltage uniformity monitoring △ U1... △ Un are carried out, obtains voltage time U/t curves, voltage uniformity value △ Un/t；
Step 2：Standard storage battery group carries out online fix time electric discharge of the multicycle to system actual loading, obtains volt-time curve；Progress is once determined voltage and discharged online, obtains actual power time value Tn；
Step 3：Electric discharge terminates, and before turning charging, carries out the state inner walkway that once discharges to battery, obtains monomer internal resistance value Rn；
The backstage evaluation part comprises the following steps
Step a：Property interval screening is carried out according to the volt-time curve obtained in step 2, establishes voltage probability function figure and voltage amount value table；Internal resistance value table is obtained according to step 2；
Step b：According to the characteristic interval and voltage probability function figure obtained in step a, the quantity of the electrical voltage point in the section is fallen into count similar battery each time " electric discharge of fixing time " and " determining tension discharge " volt-time curve；
Step c：The quantity that point electrical voltage point is obtained according to step b is compared with the voltage amount value table that step a is obtained, and obtains voltage amount health index HU；
Step d：It is compared according to the internal resistance value that step 3 obtains with the internal resistance value table that step a is obtained, obtains internal resistance value health index HR；
Step e：Voltage uniformity value is obtained according to step 1, obtains voltage uniformity health index H△ U；
Step f：Determine voltage according to step 2 to discharge online, obtain the actual power time, obtain actual power time health index HT；
Step g：According to storage battery appearance, if leakage, if blow-up, obtain battery physical health index HW；
Step h：The health index according to obtained by step c, d, e, f, g, battery health figure is drawn, draws health value.
In summary, the present invention can accurately realize the online health state evaluation of battery, realize transformation of the periodic inspection to repair based on condition of component, originally offline discharge test will be carried out to all batteries, it is changed into carrying out offline discharge test just for the most backward 5-10% of health status, the workload of 90% battery service can be mitigated.
Those skilled in the art do not depart from the essence and spirit of the present invention, there can be various deformation scheme to realize the present invention, it the foregoing is only preferably feasible embodiment of the invention, not thereby the interest field of the present invention is limited to, all equivalent structure changes made with description of the invention, are both contained within the interest field of the present invention.
Claims (1)
- A kind of 1. online method for assessing battery health status in real time, it is characterised in that：Including a part of detecting and backstage evaluation part, the part of detecting comprises the following steps：Step 1：To batteries to be measured selection " outstanding ", " qualified ", " replacing " normal cell group, round-the-clock monomer voltage monitoring U1...Un, monomer voltage uniformity monitoring △ U1... △ Un are carried out, obtains voltage time U/t curves, voltage uniformity value △ Un/t；Step 2：Standard storage battery group carries out online fix time electric discharge of the multicycle to system actual loading, obtains volt-time curve；Progress is once determined voltage and discharged online, obtains actual power time value Tn；Step 3：Electric discharge terminates, and before turning charging, carries out the state inner walkway that once discharges to battery, obtains monomer internal resistance value Rn；The backstage evaluation part comprises the following stepsStep a：Property interval screening is carried out according to the volt-time curve obtained in step 2, establishes voltage probability function figure and voltage amount value table；Internal resistance value table is obtained according to step 2；Step b：According to the characteristic interval and voltage probability function figure obtained in step a, the quantity of the electrical voltage point in the section is fallen into count similar battery each time " electric discharge of fixing time " and " determining tension discharge " volt-time curve；Step c：The quantity that point electrical voltage point is obtained according to step b is compared with the voltage amount value table that step a is obtained, and obtains voltage amount health index HU；Step d：It is compared according to the internal resistance value that step 3 obtains with the internal resistance value table that step a is obtained, obtains internal resistance value health index HR；Step e：Voltage uniformity value is obtained according to step 1, obtains voltage uniformity health index H△U；Step f：Determine voltage according to step 2 to discharge online, obtain the actual power time, obtain actual power time health index HT；Step g：According to storage battery appearance, if leakage, if blow-up, obtain battery physical health index HW；Step h：The health index according to obtained by step c, d, e, f, g, battery health figure is drawn, draws health value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610363656.9A CN107450023A (en) | 2016-05-30 | 2016-05-30 | A kind of online method for assessing battery health status in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610363656.9A CN107450023A (en) | 2016-05-30 | 2016-05-30 | A kind of online method for assessing battery health status in real time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107450023A true CN107450023A (en) | 2017-12-08 |
Family
ID=60484636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610363656.9A Pending CN107450023A (en) | 2016-05-30 | 2016-05-30 | A kind of online method for assessing battery health status in real time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107450023A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361261A (en) * | 2018-09-06 | 2019-02-19 | 贵州电网有限责任公司 | Online monitoring method for state of super capacitor for power distribution terminal |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1816752A (en) * | 2003-07-01 | 2006-08-09 | 伊顿动力品质有限公司 | Apparatus, methods and computer program products for estimation of battery reserve life using adaptively modified state of health indicator-based reserve life models |
| CN101071160A (en) * | 2006-05-10 | 2007-11-14 | 盈正豫顺电子股份有限公司 | Cell health state diagnosis method |
| CN102156265A (en) * | 2011-03-16 | 2011-08-17 | 深圳市派司德科技有限公司 | Device and method for testing health state of battery |
| CN103616643A (en) * | 2013-11-15 | 2014-03-05 | 清华大学 | Data processing method for analyzing battery running conditions |
| CN103675702A (en) * | 2013-12-04 | 2014-03-26 | 清华大学 | Method for evaluating state of health battery in real time |
| CN104122502A (en) * | 2013-04-24 | 2014-10-29 | 中国科学院深圳先进技术研究院 | Detection method for health status of energy storage device |
| CN104635166A (en) * | 2015-02-06 | 2015-05-20 | 芜湖大学科技园发展有限公司 | Evaluation method for health status of lithium batteries based on battery management system |
| CN105093125A (en) * | 2015-07-30 | 2015-11-25 | 国家电网公司 | Single nickel-hydrogen battery consistency evaluation system and method |
| US20150349385A1 (en) * | 2014-04-01 | 2015-12-03 | Medtronic, Inc. | Method and System for Predicting Useful Life of a Rechargeable Battery |
-
2016
- 2016-05-30 CN CN201610363656.9A patent/CN107450023A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1816752A (en) * | 2003-07-01 | 2006-08-09 | 伊顿动力品质有限公司 | Apparatus, methods and computer program products for estimation of battery reserve life using adaptively modified state of health indicator-based reserve life models |
| CN101071160A (en) * | 2006-05-10 | 2007-11-14 | 盈正豫顺电子股份有限公司 | Cell health state diagnosis method |
| CN102156265A (en) * | 2011-03-16 | 2011-08-17 | 深圳市派司德科技有限公司 | Device and method for testing health state of battery |
| CN104122502A (en) * | 2013-04-24 | 2014-10-29 | 中国科学院深圳先进技术研究院 | Detection method for health status of energy storage device |
| CN103616643A (en) * | 2013-11-15 | 2014-03-05 | 清华大学 | Data processing method for analyzing battery running conditions |
| CN103675702A (en) * | 2013-12-04 | 2014-03-26 | 清华大学 | Method for evaluating state of health battery in real time |
| US20150349385A1 (en) * | 2014-04-01 | 2015-12-03 | Medtronic, Inc. | Method and System for Predicting Useful Life of a Rechargeable Battery |
| CN104635166A (en) * | 2015-02-06 | 2015-05-20 | 芜湖大学科技园发展有限公司 | Evaluation method for health status of lithium batteries based on battery management system |
| CN105093125A (en) * | 2015-07-30 | 2015-11-25 | 国家电网公司 | Single nickel-hydrogen battery consistency evaluation system and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361261A (en) * | 2018-09-06 | 2019-02-19 | 贵州电网有限责任公司 | Online monitoring method for state of super capacitor for power distribution terminal |
| CN109361261B (en) * | 2018-09-06 | 2021-07-13 | 贵州电网有限责任公司 | Online monitoring method for state of super capacitor for power distribution terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hammouche et al. | Monitoring state-of-charge of Ni–MH and Ni–Cd batteries using impedance spectroscopy | |
| CN105589040B (en) | Battery regulation and control method based on aging adjustment battery operation interval | |
| CN104316803B (en) | A kind of Power Transformer Condition evaluation method and system based on live detection | |
| CN107367694A (en) | A kind of appraisal procedure and system of lithium battery service life | |
| CN103743641B (en) | Method for quickly detecting and evaluating pressure container after fire based on hardness and metallographic phase | |
| CN116027199B (en) | Method for detecting short circuit in whole service life of battery cell based on electrochemical model parameter identification | |
| CN108549047A (en) | A kind of electric energy meter lifetime estimation method based on accelerated degradation test | |
| CN104112239A (en) | Transformer state evaluation method and device by using reference state analysis | |
| CN113758604B (en) | Method, device, equipment and storage medium for detecting running state of electrical equipment | |
| CN115508721B (en) | Lithium ion battery lithium separation detection method | |
| JP4700073B2 (en) | Method and apparatus for capacity degradation of lead acid battery | |
| Mohsin et al. | A new lead-acid battery state-of-health evaluation method using electrochemical impedance spectroscopy for second life in rural electrification systems | |
| CN109375143A (en) | A kind of method of determining intelligent electric energy meter remaining life | |
| CN114035058A (en) | Low-temperature lithium battery test system and method | |
| CN107450023A (en) | A kind of online method for assessing battery health status in real time | |
| CN109633475A (en) | Lithium iron phosphate energy type battery life estimation method | |
| CN106644436B (en) | A kind of assessment method of breaker mechanic property | |
| CN116466067A (en) | Method for early warning residual life of composite insulator silicon rubber material based on gray theory | |
| CN102661848A (en) | Determining method for key fault characteristic of reliability of intelligent ammeter liquid crystal device | |
| CN116449239A (en) | Unmanned aerial vehicle battery health state evaluation method | |
| JP2007103112A (en) | Inspection method and inspection device of lead-acid battery | |
| CN105445626A (en) | Residual life evaluation method for low-voltage and multi-core cable | |
| Pang et al. | Effects of floating charge ageing on electrochemical impedance spectroscopy of lead-acid batteries | |
| TWI528044B (en) | Elimination of battery screening methods | |
| WO2020010624A1 (en) | Battery testing method and system, and battery analysis device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171208 |
|
| WD01 | Invention patent application deemed withdrawn after publication |