CN102033205A - System and method for detecting fault of power battery of vehicle - Google Patents
System and method for detecting fault of power battery of vehicle Download PDFInfo
- Publication number
- CN102033205A CN102033205A CN2009101905537A CN200910190553A CN102033205A CN 102033205 A CN102033205 A CN 102033205A CN 2009101905537 A CN2009101905537 A CN 2009101905537A CN 200910190553 A CN200910190553 A CN 200910190553A CN 102033205 A CN102033205 A CN 102033205A
- Authority
- CN
- China
- Prior art keywords
- voltage
- battery
- cell
- power battery
- always
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title abstract description 5
- 238000001514 detection method Methods 0.000 claims abstract description 67
- 239000000178 monomer Substances 0.000 claims description 6
- 230000000052 comparative effect Effects 0.000 claims description 2
- 208000032953 Device battery issue Diseases 0.000 description 11
- 241000156302 Porcine hemagglutinating encephalomyelitis virus Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Images
Landscapes
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a system and a method for detecting the fault of a power battery of a vehicle. The detection system comprises a voltage detection module connected with a power battery pack, and a judgment module connected with the voltage detection module, wherein the voltage detection module is used for detecting the total voltage of the battery pack and the voltages of single batteries and sending the total voltage and the voltages to the judgment module; and the judgment module is used for calculating the received voltage values and comparing calculation results to judge whether the battery fails or not. By the system and the method for detecting the fault of the battery, a discharge loop of the battery pack cannot be cut off when a voltage sensor fails, so that the normal driving of the whole vehicle is ensured.
Description
Technical field
The invention belongs to the automobile batteries detection range, relate in particular to a kind of vehicle power battery failures detection system and detection method.
Background technology
At present, in the period of energy worsening shortages, electric motor car and PHEV are as the development gradually of a kind of new forms of energy vehicles.The main energy source of electric motor car and PHEV is the power battery pack on the car, therefore the state (voltage, temperature etc.) of every batteries needs battery manager monitor security with the use of assurance battery in real time, when preventing that battery from breaking down and blast.Existing battery failures detection method be when voltage that battery manager detects certain batteries or a few batteries be zero or during very little value, judge then that battery breaks down or unusually, the discharge loop of control battery disconnects, and does not have power battery pack, and car load also just can't travel.But because when voltage sensor broke down or break, the voltage that battery manager also can detect certain batteries or a few batteries was zero or very little value, therefore existing battery failures detection method can't be distinguished battery failures and voltage sensor fault.
Summary of the invention
The present invention can't distinguish the problem of battery failures and voltage sensor fault for solving the conventional detection that exists in the prior art, provide a kind of battery failures detection system that can distinguish battery failures and voltage sensor fault with and detection method.
The invention provides a kind of vehicle power battery failures detection system, described detection system comprises the voltage detection module that is connected with power battery pack, and the judge module that is electrically connected with voltage detection module;
Described voltage detection module is used to detect the voltage of the total voltage of electric battery and cell and sends to judge module;
Described judge module is used for the magnitude of voltage that receives calculated and result of calculation compared judging whether battery breaks down.
The fault detection method that a kind of vehicle power battery also is provided of the present invention may further comprise the steps:
The total voltage of described voltage detection module detection electric battery and the voltage of cell also send to judge module;
Described judge module calculates the magnitude of voltage that receives and compares according to result of calculation judges whether battery breaks down.
The fault detection system of vehicle power battery of the present invention and detection method are distinguished voltage sensor fault and battery failures, when only being that voltage sensor is when breaking down, can not cut off the discharge loop of battery, promptly can not cut off being connected of power battery pack and vehicle, guarantee the cruising of vehicle, improve the work efficiency of car load.
Description of drawings
Fig. 1 is the structured flowchart of the fault detection system of vehicle power battery of the present invention;
Fig. 2 is the process flow diagram of fault detection method first embodiment of vehicle power battery of the present invention;
Fig. 3 is the process flow diagram of fault detection method second embodiment of vehicle power battery of the present invention.
Embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, the invention provides a kind of fault detection system of vehicle power battery, described detection system comprises the voltage detection module 2 that is connected with power battery pack 1, and the judge module 3 that is electrically connected with voltage detection module 2;
Described voltage detection module 2 is used to detect the voltage of the total voltage of electric battery and cell and sends to judge module;
Described judge module 3 is used for the magnitude of voltage that receives calculated and result of calculation compared judging whether battery breaks down.
Further improve, detection system of the present invention also comprises the control module 5 that is used for cutting off the battery power discharge loop when battery breaks down.
Further improve, described judge module 3 comprises computing unit 31 and comparing unit 32, and described comparing unit 32 is electrically connected with described control module 5;
Described computing unit 31 is used to calculate the voltage summation of cell, and certain time interval T in cell voltage variety and send to described comparing unit 32;
Described comparing unit 32 is used for the relation of the voltage summation of the total voltage of comparison electric battery and cell, relatively whether the voltage of cell equals 0, whether the total voltage of comparison electric battery equals 0, and whether the voltage variety of the interior cell of comparison certain time interval T is greater than setting value S.
Further improve, described voltage detection module 2 comprises the Hall element 21 that is used to detect assembled battery total voltage, and the voltage sensor 22 that is used to detect monomer battery voltage, described Hall element 21 is electrically connected with described comparing unit 32, and described voltage sensor 22 is electrically connected with described computing unit 31.Hall element 21 directly is connected the total voltage that detects electric battery on the bus at electric battery 1 two ends, is connected with a voltage sensor 22 on the both positive and negative polarity of each cell, is used to detect the voltage of each cell.
The present invention also provides a kind of fault detection method of vehicle power battery, may further comprise the steps:
The total voltage of described voltage detection module 2 detection electric battery and the voltage of cell also send to judge module;
3 pairs of magnitudes of voltage that receive of described judge module calculate and compare according to result of calculation judges whether battery breaks down.
When described judge module 3 was judged battery and broken down, control module 5 just cut off the battery power discharge loop, makes power battery pack provide power for car load, and car load can't travel.
As further improvement, because when only being voltage sensor 22 faults, voltage sensor 22 detects monomer battery voltage and changes, but the total voltage of described Hall element 21 electric battery can not change, therefore when the total voltage of electric battery when detecting the voltage summation of cell, just can confirm voltage sensor 22 faults, and when the total voltage of electric battery is equal to or less than the voltage summation that detects cell, illustrate that there is the possibility of fault in battery, also need progressive the voltage of each cell and the total voltage of electric battery to be compared judgement, whether just can judge battery failures.Fault detection method of the present invention is further comprising the steps of:
Detect the total voltage V of electric battery
AlwaysWith the voltage of cell, the voltage of cell sued for peace obtains V
Adopt
The total voltage V that compares electric battery
AlwaysVoltage summation V with cell
AdoptMagnitude relationship, judge according to comparative result whether electrokinetic cell and/or voltage sensor normal.
As further improvement, fault detection method of the present invention also comprises the total voltage V that judges electric battery
AlwaysVoltage summation V with cell
AdoptThe step of size:
Work as V
Always=V
AdoptThe time, according to monomer battery voltage value V
SingleJudge whether power battery pack is normal;
Work as V
Always＜V
AdoptThe time, according to the total voltage V of electric battery
AlwaysValue judge whether power battery pack normal;
Work as V
Always＞V
AdoptThe time, voltage sensor breaks down, and power battery pack is normal.
Fault detection method of the present invention more specifically step as shown in Figure 2, first embodiment of detection method of the present invention may further comprise the steps:
Step S01 detects the total voltage of electric battery and the voltage of cell, and the voltage of cell is sued for peace;
Step S02, relatively the total voltage V of electric battery
AlwaysWhether equal the voltage summation V of cell
Adopt
Step S03 is as the total voltage V of cell
AlwaysThe voltage summation V that is not equal to cell
AdoptThe time, the total voltage V of comparison electric battery
AlwaysWhether less than the voltage summation V of cell
Adopt
Step S04 is as the total voltage V of electric battery
AlwaysBe not less than the voltage summation V of cell
AdoptThe time, the total voltage V of electric battery
AlwaysVoltage summation V greater than cell
Adopt
Step S05 judges that battery sensor 22 breaks down;
Step S06 judges that power battery pack is normal, does not need to cut off battery power discharge loop, EOP (end of program);
Step S07 is as the total voltage V of electric battery
AlwaysEqual the voltage summation V of cell
AdoptThe time, follow the relatively voltage V of cell
SingleWhether equal 0;
Step S08 is as the voltage V of cell
SingleEqual at 0 o'clock, then cell short circuit, promptly the power battery pack fault is cut off the battery power discharge loop, EOP (end of program); Voltage V when cell
SingleBe not equal at 0 o'clock, then enter step S06, judge that electrokinetic cell is normal, do not need to cut off battery power discharge loop, EOP (end of program);
Step S09 is as the total voltage V of electric battery
AlwaysVoltage summation V less than cell
AdoptThe time, follow the relatively total voltage V of electric battery
AlwaysWhether equal 0; Total voltage V when electric battery
AlwaysEqual at 0 o'clock, then the inner open circuit of electric battery promptly enters step S08, and the power battery pack fault is cut off the battery power discharge loop, EOP (end of program); Total voltage V when electric battery
AlwaysBe not equal at 0 o'clock, then enter step S06, judge that electrokinetic cell is normal, do not need to cut off battery power discharge loop, EOP (end of program).
In the above-mentioned detection method, for the total voltage V that compares electric battery
AlwaysVoltage summation V with cell
AdoptMagnitude relationship the time, also can compare the total voltage V of electric battery earlier
AlwaysWhether less than the voltage summation V of cell
AdoptOr the total voltage V of comparison electric battery
AlwaysWhether greater than the voltage summation V of cell
Adopt, so total voltage V
AlwaysWith voltage summation V
AdoptMagnitude relationship relatively which kind of relation formerly can, all in the protection domain of detection method of the present invention, just do not enumerated one by one herein.
Because electric battery comprises n cell, the joint number of cell is a, the scope of a is 1≤a≤n, situation about breaking down for the voltage sensor that further is confirmed to be in the electric battery any batteries, this batteries voltage sensor is carried out Reflector, and the detected voltage of this batteries also will not be used as the foundation that follow-up undervoltage warning calculates.Undervoltage warning calculates and soon detected voltage of this batteries and standard voltage value is compared, and when the voltage of battery was lower than standard value, battery manager was just reported to the police.As shown in Figure 3, second embodiment of detection method provided by the invention, further comprising the steps of:
Whether step S051 when judging the voltage sensor fault, follows the interior voltage variety of more every joint cell certain time interval T greater than setting value S, i.e. Δ V
aWhether greater than setting value S,
Step S052 is as Δ V
aDuring greater than setting value S, judge the voltage sensor fault of a joint cell, Reflector Qa=1, the foundation that the voltage of a joint cell will not calculate as follow-up undervoltage warning, then enter step S06, judge that electrokinetic cell is normal, do not need to cut off battery power discharge loop, EOP (end of program);
Step S053 is as Δ V
aWhen being equal to or less than setting value S, the foundation that the voltage of a joint cell calculates as follow-up undervoltage warning, EOP (end of program).
Further, the scope of described certain time interval T is 1 second to 2 seconds, and the scope of described setting value S is that 3V is to 5V.
The fault detection system of vehicle power battery of the present invention and detection method are distinguished voltage sensor 22 faults and battery failures, when only being that voltage sensor 22 is when breaking down, can not cut off the discharge loop of battery, promptly can not cut off being connected of power battery pack and vehicle, guarantee the cruising of vehicle, improve the work efficiency of car load.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. the fault detection system of a vehicle power battery, be characterised in that: described detection system comprises the voltage detection module that is connected with power battery pack, and the judge module that is electrically connected with voltage detection module;
Described voltage detection module is used to detect the voltage of the total voltage of electric battery and cell and sends to judge module;
Described judge module is used for the magnitude of voltage that receives calculated and result of calculation compared judging whether battery breaks down.
2. the fault detection system of vehicle power battery as claimed in claim 1 is characterized in that: described detection system also comprises the control module that is used for cutting off the battery power discharge loop when battery breaks down.
3. the fault detection system of vehicle power battery as claimed in claim 2 is characterized in that: described judge module comprises computing unit and comparing unit, and described comparing unit is electrically connected with described control module;
Described computing unit is used to calculate the voltage summation of cell, and certain time interval T in cell voltage variety and send to described comparing unit;
Described comparing unit is used for the relation of the voltage summation of the total voltage of comparison electric battery and cell, relatively whether the voltage of cell equals 0, whether the total voltage of comparison electric battery equals 0, and whether the voltage variety of the interior cell of comparison certain time interval T is greater than setting value S.
4. the fault detection system of vehicle power battery as claimed in claim 3, it is characterized in that: described voltage detection module comprises the Hall element that is used to detect assembled battery total voltage, and the voltage sensor that is used to detect monomer battery voltage, described Hall element is electrically connected with described comparing unit, and described voltage sensor is electrically connected with described computing unit.
5. the fault detection method of a vehicle power battery is characterized in that: may further comprise the steps:
The total voltage of described voltage detection module detection electric battery and the voltage of cell also send to judge module;
Described judge module calculates the magnitude of voltage that receives and compares according to result of calculation judges whether battery breaks down.
6. the fault detection method of vehicle power battery as claimed in claim 5 is characterized in that: may further comprise the steps:
When battery breaks down, cut off the battery power discharge loop.
7. the fault detection method of vehicle power battery as claimed in claim 6 is characterized in that: may further comprise the steps:
Detect the total voltage V of electric battery
AlwaysWith the voltage of cell, the voltage of cell sued for peace obtains V
Adopt
The total voltage V that compares electric battery
AlwaysVoltage summation V with cell
AdoptMagnitude relationship, judge according to comparative result whether electrokinetic cell and/or voltage sensor normal.
8. the fault detection method of vehicle power battery as claimed in claim 7 is characterized in that: further comprising the steps of: the total voltage V that judges electric battery
AlwaysVoltage summation V with cell
AdoptSize,
Work as V
Always=V
AdoptThe time, according to monomer battery voltage value V
SingleJudge whether power battery pack is normal;
Work as V
Always＜V
AdoptThe time, according to the total voltage V of electric battery
AlwaysValue judge whether power battery pack normal;
Work as V
Always＞V
AdoptThe time, voltage sensor breaks down, and power battery pack is normal.
9. the fault detection method of vehicle power battery as claimed in claim 8 is characterized in that: further comprising the steps of: work as V
Always=V
AdoptThe time, compare monomer battery voltage value V
SingleWhether equal 0,
Work as V
Single=0, judge the power battery pack fault, cut off the battery power discharge loop, EOP (end of program);
Work as V
SingleBe not equal at 0 o'clock, judge that power battery pack is normal, do not need to cut off battery power discharge loop, EOP (end of program).
10. the fault detection method of vehicle power battery as claimed in claim 8 is characterized in that: further comprising the steps of: work as V
Always＜V
AdoptThe time, the total voltage V of comparison electric battery
AlwaysWhether equal 0;
Work as V
Always=0 o'clock, judge the power battery pack fault, cut off the battery power discharge loop, EOP (end of program);
Work as V
AlwaysBe not equal at 0 o'clock, judge that power battery pack is normal, do not need to cut off battery power discharge loop, EOP (end of program).
11. the fault detection method of vehicle power battery as claimed in claim 8 is characterized in that: further comprising the steps of:
When the voltage sensor fault, the voltage variety Δ V in more every joint cell certain time interval T
aWhether greater than setting value S;
As Δ V
aDuring greater than setting value S, judge the voltage sensor fault of a joint cell, Reflector Qa=1 judges that electrokinetic cell is normal, EOP (end of program);
As Δ V
aWhen being equal to or less than setting value S, the foundation that the voltage of a joint cell calculates as undervoltage warning, EOP (end of program).
12. the fault detection method of vehicle power battery as claimed in claim 11 is characterized in that: the scope of described certain time interval T is 1 second to 2 seconds.
13. the fault detection method of vehicle power battery as claimed in claim 11 is characterized in that: the scope of described setting value S is that 3V is to 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910190553 CN102033205B (en) | 2009-09-30 | 2009-09-30 | System and method for detecting fault of power battery of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910190553 CN102033205B (en) | 2009-09-30 | 2009-09-30 | System and method for detecting fault of power battery of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102033205A true CN102033205A (en) | 2011-04-27 |
| CN102033205B CN102033205B (en) | 2013-01-30 |
Family
ID=43886356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910190553 Active CN102033205B (en) | 2009-09-30 | 2009-09-30 | System and method for detecting fault of power battery of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102033205B (en) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837617A (en) * | 2012-09-17 | 2012-12-26 | 奇瑞汽车股份有限公司 | Power-off control method and device for high-voltage system of electric automobile |
| CN103308860A (en) * | 2012-03-15 | 2013-09-18 | 凹凸电子（武汉）有限公司 | Battery fault detection method, battery fault detection device and battery management system |
| CN103323646A (en) * | 2013-06-04 | 2013-09-25 | 安徽安凯汽车股份有限公司 | Current sensor for electric vehicle and detecting method by means of same |
| CN103616648A (en) * | 2013-12-16 | 2014-03-05 | 天津斯巴克瑞汽车电子有限公司 | Multi-cascade, high-voltage and high-power battery pack monitoring and management device |
| CN103635821A (en) * | 2012-02-02 | 2014-03-12 | 株式会社Lg化学 | Method and device for diagnosing battery pack faults and power relay assembly using the method |
| CN103963656A (en) * | 2013-01-25 | 2014-08-06 | 株式会社京滨 | Storage battery system |
| CN103987562A (en) * | 2011-12-26 | 2014-08-13 | 川崎重工业株式会社 | Diagnosis method and system for electric vehicles |
| CN104597396A (en) * | 2014-12-11 | 2015-05-06 | 北京新能源汽车股份有限公司 | Method for carrying out high-voltage power-on detection on electric automobile |
| CN105620304A (en) * | 2016-01-26 | 2016-06-01 | 华霆（合肥）动力技术有限公司 | Battery pack thermal buckling monitoring device and electric vehicle |
| CN106526488A (en) * | 2016-09-27 | 2017-03-22 | 北京理工大学 | Fault diagnosis method of sensors in tandem type power battery pack |
| CN106654403A (en) * | 2015-10-30 | 2017-05-10 | 北汽福田汽车股份有限公司 | Method for preventing battery failure false alarm and apparatus thereof |
| CN106950504A (en) * | 2017-03-28 | 2017-07-14 | 合肥亮天新能源科技有限公司 | A kind of battery failures detecting system of new-energy automobile charging pile |
| CN107153162A (en) * | 2017-06-06 | 2017-09-12 | 山东大学 | A kind of power battery pack multiple faults on-line detecting system and method |
| CN108931686A (en) * | 2018-07-10 | 2018-12-04 | 北京新能源汽车股份有限公司 | Battery system total voltage under-voltage detection method, device, equipment and automobile |
| CN109613435A (en) * | 2018-12-20 | 2019-04-12 | 常州普莱德新能源电池科技有限公司 | A kind of non-self failure of battery causes the detection method and system of voltage acquisition exception |
| CN110803024A (en) * | 2018-07-19 | 2020-02-18 | 郑州宇通客车股份有限公司 | Collision protection control method and system for electric vehicle |
| CN111983488A (en) * | 2020-08-17 | 2020-11-24 | 一汽解放汽车有限公司 | Battery management system and voltage signal processing method thereof |
| CN112389352A (en) * | 2020-11-17 | 2021-02-23 | 华人运通(江苏)技术有限公司 | Finished automobile static current management system and method |
| CN113296014A (en) * | 2021-05-24 | 2021-08-24 | 东软睿驰汽车技术（沈阳）有限公司 | Electric vehicle voltage data processing method, device, equipment and storage medium |
| CN113655389A (en) * | 2020-05-12 | 2021-11-16 | 比亚迪股份有限公司 | Method and system for diagnosing connection state of power circuit of battery pack, storage medium, battery management system and vehicle |
| CN114740372A (en) * | 2021-12-13 | 2022-07-12 | 上海琪埔维半导体有限公司 | Fault monitoring method of battery pack and battery management system |
| CN114846717A (en) * | 2019-12-23 | 2022-08-02 | Kk风能解决方案公司 | Monitoring system for energy storage |
| CN118191599A (en) * | 2024-03-14 | 2024-06-14 | 江苏嘉倍固机械科技有限公司 | Battery pack fault detection method and system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993006473A1 (en) * | 1990-03-26 | 1993-04-01 | Nowak Dieter K | Battery voltage measurement system |
| CN1389950A (en) * | 2001-05-31 | 2003-01-08 | 深圳市中兴通讯股份有限公司 | Judging method of accumulator charging and discharging state |
| US20080054907A1 (en) * | 2006-09-06 | 2008-03-06 | Hitachi Vehicle Energy, Ltd. | Assembled battery total voltage detection and leak detection apparatus |
| CN101141012A (en) * | 2007-01-19 | 2008-03-12 | 华南理工大学 | A dynamic balance management system for distributed power battery packs |
| CN101158710A (en) * | 2006-08-17 | 2008-04-09 | 美国凹凸微系有限公司 | Monitoring battery cell voltage |
| CN101312293A (en) * | 2007-05-22 | 2008-11-26 | 深圳市金一泰实业有限公司 | Power lithium battery intelligent management system |
| CN101326446A (en) * | 2006-02-27 | 2008-12-17 | 丰田自动车株式会社 | Abnormality judging device and abnormality judging method of power supply device |
| CN101378108A (en) * | 2007-08-28 | 2009-03-04 | 电能有限公司 | Isolated area partition type dynamic battery structure |
| CN101417637A (en) * | 2008-03-14 | 2009-04-29 | 北京理工大学 | Communications system for pure electric motor coach power cell management system and management method thereof |
| CN201247308Y (en) * | 2008-12-17 | 2009-05-27 | 河北凯翔科技有限公司 | Intelligent detector for charging and discharging accumulator |
| CN201311484Y (en) * | 2008-11-27 | 2009-09-16 | 比亚迪股份有限公司 | Battery pack checking device |
-
2009
- 2009-09-30 CN CN 200910190553 patent/CN102033205B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993006473A1 (en) * | 1990-03-26 | 1993-04-01 | Nowak Dieter K | Battery voltage measurement system |
| CN1389950A (en) * | 2001-05-31 | 2003-01-08 | 深圳市中兴通讯股份有限公司 | Judging method of accumulator charging and discharging state |
| CN101326446A (en) * | 2006-02-27 | 2008-12-17 | 丰田自动车株式会社 | Abnormality judging device and abnormality judging method of power supply device |
| CN101158710A (en) * | 2006-08-17 | 2008-04-09 | 美国凹凸微系有限公司 | Monitoring battery cell voltage |
| US20080054907A1 (en) * | 2006-09-06 | 2008-03-06 | Hitachi Vehicle Energy, Ltd. | Assembled battery total voltage detection and leak detection apparatus |
| CN101141012A (en) * | 2007-01-19 | 2008-03-12 | 华南理工大学 | A dynamic balance management system for distributed power battery packs |
| CN101312293A (en) * | 2007-05-22 | 2008-11-26 | 深圳市金一泰实业有限公司 | Power lithium battery intelligent management system |
| CN101378108A (en) * | 2007-08-28 | 2009-03-04 | 电能有限公司 | Isolated area partition type dynamic battery structure |
| CN101417637A (en) * | 2008-03-14 | 2009-04-29 | 北京理工大学 | Communications system for pure electric motor coach power cell management system and management method thereof |
| CN201311484Y (en) * | 2008-11-27 | 2009-09-16 | 比亚迪股份有限公司 | Battery pack checking device |
| CN201247308Y (en) * | 2008-12-17 | 2009-05-27 | 河北凯翔科技有限公司 | Intelligent detector for charging and discharging accumulator |
Cited By (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103987562A (en) * | 2011-12-26 | 2014-08-13 | 川崎重工业株式会社 | Diagnosis method and system for electric vehicles |
| CN103987562B (en) * | 2011-12-26 | 2016-06-08 | 川崎重工业株式会社 | The diagnostic method of the electrodynamic type vehicles and system |
| CN103635821A (en) * | 2012-02-02 | 2014-03-12 | 株式会社Lg化学 | Method and device for diagnosing battery pack faults and power relay assembly using the method |
| CN103308860A (en) * | 2012-03-15 | 2013-09-18 | 凹凸电子（武汉）有限公司 | Battery fault detection method, battery fault detection device and battery management system |
| CN102837617A (en) * | 2012-09-17 | 2012-12-26 | 奇瑞汽车股份有限公司 | Power-off control method and device for high-voltage system of electric automobile |
| CN102837617B (en) * | 2012-09-17 | 2015-04-29 | 奇瑞汽车股份有限公司 | Power-off control method and device for high-voltage system of electric automobile |
| CN103963656B (en) * | 2013-01-25 | 2017-05-10 | 株式会社京滨 | Storage battery system |
| CN103963656A (en) * | 2013-01-25 | 2014-08-06 | 株式会社京滨 | Storage battery system |
| US9634500B2 (en) | 2013-01-25 | 2017-04-25 | Keihin Corporation | Storage battery system |
| CN103323646B (en) * | 2013-06-04 | 2015-09-09 | 安徽安凯汽车股份有限公司 | A kind of current sensor used for electric vehicle and detection method thereof |
| CN103323646A (en) * | 2013-06-04 | 2013-09-25 | 安徽安凯汽车股份有限公司 | Current sensor for electric vehicle and detecting method by means of same |
| CN103616648B (en) * | 2013-12-16 | 2016-05-18 | 天津斯巴克瑞汽车电子有限公司 | Multi-cascade high pressure, high power battery group monitoring management device |
| CN103616648A (en) * | 2013-12-16 | 2014-03-05 | 天津斯巴克瑞汽车电子有限公司 | Multi-cascade, high-voltage and high-power battery pack monitoring and management device |
| CN104597396A (en) * | 2014-12-11 | 2015-05-06 | 北京新能源汽车股份有限公司 | Method for carrying out high-voltage power-on detection on electric automobile |
| CN104597396B (en) * | 2014-12-11 | 2018-07-17 | 北京新能源汽车股份有限公司 | Method for carrying out high-voltage power-on detection on electric automobile |
| CN106654403A (en) * | 2015-10-30 | 2017-05-10 | 北汽福田汽车股份有限公司 | Method for preventing battery failure false alarm and apparatus thereof |
| CN106654403B (en) * | 2015-10-30 | 2019-06-11 | 北京宝沃汽车有限公司 | A kind of method and apparatus for preventing battery failures from reporting by mistake |
| CN105620304B (en) * | 2016-01-26 | 2018-01-02 | 华霆（合肥）动力技术有限公司 | Battery pack thermal run away monitoring device and electric automobile |
| CN105620304A (en) * | 2016-01-26 | 2016-06-01 | 华霆（合肥）动力技术有限公司 | Battery pack thermal buckling monitoring device and electric vehicle |
| CN106526488B (en) * | 2016-09-27 | 2019-01-25 | 北京理工大学 | Fault diagnosis method of sensor in series power battery pack |
| CN106526488A (en) * | 2016-09-27 | 2017-03-22 | 北京理工大学 | Fault diagnosis method of sensors in tandem type power battery pack |
| CN106950504A (en) * | 2017-03-28 | 2017-07-14 | 合肥亮天新能源科技有限公司 | A kind of battery failures detecting system of new-energy automobile charging pile |
| CN107153162A (en) * | 2017-06-06 | 2017-09-12 | 山东大学 | A kind of power battery pack multiple faults on-line detecting system and method |
| CN107153162B (en) * | 2017-06-06 | 2019-07-26 | 山东大学 | An online detection method for multiple faults of power battery pack |
| CN108931686A (en) * | 2018-07-10 | 2018-12-04 | 北京新能源汽车股份有限公司 | Battery system total voltage under-voltage detection method, device, equipment and automobile |
| CN110803024A (en) * | 2018-07-19 | 2020-02-18 | 郑州宇通客车股份有限公司 | Collision protection control method and system for electric vehicle |
| CN109613435A (en) * | 2018-12-20 | 2019-04-12 | 常州普莱德新能源电池科技有限公司 | A kind of non-self failure of battery causes the detection method and system of voltage acquisition exception |
| CN109613435B (en) * | 2018-12-20 | 2022-07-05 | 常州普莱德新能源电池科技有限公司 | Method and system for detecting voltage acquisition abnormity caused by non-self fault of battery |
| CN114846717A (en) * | 2019-12-23 | 2022-08-02 | Kk风能解决方案公司 | Monitoring system for energy storage |
| CN113655389B (en) * | 2020-05-12 | 2022-10-18 | 比亚迪股份有限公司 | Method and system for diagnosing connection state of power circuit of battery pack, storage medium, battery management system and vehicle |
| CN113655389A (en) * | 2020-05-12 | 2021-11-16 | 比亚迪股份有限公司 | Method and system for diagnosing connection state of power circuit of battery pack, storage medium, battery management system and vehicle |
| CN111983488A (en) * | 2020-08-17 | 2020-11-24 | 一汽解放汽车有限公司 | Battery management system and voltage signal processing method thereof |
| CN111983488B (en) * | 2020-08-17 | 2023-01-06 | 一汽解放汽车有限公司 | Battery management system and voltage signal processing method thereof |
| CN112389352A (en) * | 2020-11-17 | 2021-02-23 | 华人运通(江苏)技术有限公司 | Finished automobile static current management system and method |
| CN113296014A (en) * | 2021-05-24 | 2021-08-24 | 东软睿驰汽车技术（沈阳）有限公司 | Electric vehicle voltage data processing method, device, equipment and storage medium |
| CN114740372A (en) * | 2021-12-13 | 2022-07-12 | 上海琪埔维半导体有限公司 | Fault monitoring method of battery pack and battery management system |
| CN118191599A (en) * | 2024-03-14 | 2024-06-14 | 江苏嘉倍固机械科技有限公司 | Battery pack fault detection method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102033205B (en) | 2013-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102033205B (en) | System and method for detecting fault of power battery of vehicle | |
| KR100921061B1 (en) | How to protect your battery in a hybrid vehicle | |
| CN101364111B (en) | Fault detecting and processing method for hybrid vehicle | |
| CN108674191B (en) | Electric vehicle fault diagnosis method and device and electric vehicle | |
| CN103085669B (en) | Automatic collision battery discharging method | |
| KR101953121B1 (en) | Apparatus and method for detecting relay welding in battery system | |
| CN107428254B (en) | Power supply device for vehicle | |
| JP5929332B2 (en) | Vehicle power supply | |
| CN107499137B (en) | The electrification control method and device of vehicle | |
| US9929674B2 (en) | Power supply system for vehicle | |
| CN105691226A (en) | Fault handling system and handling method of lithium ion power battery system | |
| CN105150854A (en) | High-voltage safe protecting system for electric vehicle | |
| EP3134291B1 (en) | Vehicle and control method for vehicle | |
| CN104253258A (en) | Overcharge prevention device of battery | |
| CN103863126A (en) | Power control apparatus for vehicle battery | |
| CN106654403A (en) | Method for preventing battery failure false alarm and apparatus thereof | |
| CN113219353A (en) | BMS-based thermal runaway control method and system | |
| CN109017313A (en) | Electric automobile high-voltage safety control system and method | |
| CN106671781A (en) | Control method of high-pressure loop of vehicle, system, and vehicle | |
| CN106950504A (en) | A kind of battery failures detecting system of new-energy automobile charging pile | |
| CN107187330A (en) | A kind of power battery of pure electric automobile guard method and system | |
| CN102729835A (en) | Vehicle-mounted supercapacitor management system and method | |
| CN106314169A (en) | High-voltage pre-charging control method and system and electric vehicle | |
| KR20100016854A (en) | Method of detecting defective battery cell for hev | |
| CN103786583A (en) | Battery management system (BMS) controlling high voltage output according to collision signals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |