CN103381756A - Method for monitoring abnormal resetting or abnormal power failure of battery management system - Google Patents
Method for monitoring abnormal resetting or abnormal power failure of battery management system Download PDFInfo
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- CN103381756A CN103381756A CN2013102767051A CN201310276705A CN103381756A CN 103381756 A CN103381756 A CN 103381756A CN 2013102767051 A CN2013102767051 A CN 2013102767051A CN 201310276705 A CN201310276705 A CN 201310276705A CN 103381756 A CN103381756 A CN 103381756A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The invention discloses a method for monitoring abnormal resetting or abnormal power failure of a battery management system. The battery management system comprises a control unit for controlling the operation of the whole system, as well as a data storage unit and a failure alarming unit both connected with the control unit; the control unit assigns a value A to the flag bit, namely POWER_FLAG, of the data storage unit; when the battery management system receives an normal power off signal, a value B is assigned to the POWER_FLAG, and when the battery management system is subjected to abnormal resetting or abnormal power-off, the value of the POWER_FLAG is kept to be A; when the battery management system is subjected to power on again, if the value of the POWER_FLAG is found to equal to A, the abnormal resetting or abnormal power failure is judged by the control unit; when the frequency of abnormal resetting or abnormal power failure exceeds the certain frequency, the failure alarming unit judges the failure and outputs alarming signals. According to the method, the situation of abnormal resetting or abnormal power failure of the battery management system can be efficiently monitored, and the alarming signals can be output to remind personnel to perform maintenance.
Description
Technical field
The present invention relates to battery management system, particularly a kind of method of monitoring battery management system exceptional reset or powered-off fault.
Background technology
Battery management system might cause program fleet, the situation that resetting appears in battery management system because of the leak of software or the interference that is subject to external environment condition in the process of operation.When resetting appears in battery management system, can affect proper communication and the control of electronlmobil, cause and cut off the battery high pressure, affect the vehicle safety operation.Same, during the Anomalies Caused power down, also can cause above problem when of short duration the going wrong of power supply of battery management system.Because battery management system resets or the process of powered-off fault is very short, be difficult to find from the outside, so need to monitor and record by certain mechanism, prompting personnel overhaul.
Existing battery management system is when the situation of exceptional reset or powered-off fault occurring, and the system of being defaulted as re-powers work, if fault no longer occurs, battery management system is just according to normal mode operation so.According to this pattern, battery management system itself can not be monitored and note abnormalities and reset or the situation of powered-off fault, usually will think system's normal operation.But if system software is leaky, system exception resets and will occur by fitfull.Same, if there are problem in battery management system externally fed power supply or supply line, the situation of system exception power down is also to occur by fitfull so.Battery management system is the core component of electronlmobil, and above two kinds of contingencies for the operation of electronlmobil, are larger potential safety hazards.
Summary of the invention
For overcoming the shortcomings and deficiencies of above-mentioned prior art, the present invention proposes a kind of method of monitoring battery management system exceptional reset or powered-off fault.
The technical solution used in the present invention is:
A kind of method of monitoring battery management system exceptional reset or powered-off fault, described battery management system comprise the control unit of controlling the whole system operation and data storage cell and the fault alarm unit that is connected with control unit, said method comprising the steps of:
(1) after battery management system powered on also self check for the first time, control unit was A with the zone bit POWER_FLAG assignment in data storage cell, and the step that the POWER_FLAG value in the data memory cell is judged is set;
(2) when battery management system was received normal lower electric signal, control unit was B with the zone bit POWER_FLAG assignment in data storage cell; When battery management system exceptional reset or abnormal lower electricity, the value of the zone bit POWER_FLAG in data storage cell remains A;
(3) when battery management system powers on again, if exceptional reset or powered-off fault occured before battery management system judgement POWER_FLAG=A; Control unit resets to abnormal or the number of times of powered-off fault adds up, and is kept in data storage cell;
(4) reset or the number of times of powered-off fault when surpassing set point number when abnormal, control the fault alarm unit output alarm signal, remind the staff to carry out trouble shooting.
Compared with prior art, beneficial effect of the present invention has:
(1) the present invention according to battery management system in exceptional reset or abnormal lower when electricity, the have no chance value of the zone bit POWER_FLAG in the Update Table memory cell of control unit, and when battery management system normally descends electric signal, control unit is to the zone bit POWER_FLAG in data memory cell assignment again, whether be normal power down, can effective monitoring battery management system exceptional reset or the situation of powered-off fault if can judge power down last time according to the value of zone bit after battery management system powers on again;
(2) the present invention carries out record with the situation of battery management system exceptional reset or powered-off fault, after the situation frequency of battery management system exceptional reset or powered-off fault surpasses certain number of times, system can output alarm signal, prompting personnel overhaul, find ahead of time potential safety hazard, guarantee the elec. vehicle safe in operation.
Description of drawings
Fig. 1 is the structured flowchart of battery management system of the present invention.
The specific embodiment
Understanding for the ease of those skilled in the art is described in further detail the present invention below in conjunction with drawings and Examples:
Disclosed monitoring battery management system exceptional reset or the method for powered-off fault, described battery management system, as shown in Figure 1, comprise the control unit of the operation of controlling whole system and data storage cell and the fault alarm unit that is connected with control unit.
The method of monitoring battery management system exceptional reset of the present invention or powered-off fault comprises the following steps:
(1) after battery management system powered on also self check, control unit was 0xAA with the zone bit POWER_FLAG assignment in data storage cell;
(2) when battery management system was received normal lower electric signal, control unit was 0x55 with the zone bit POWER_FLAG assignment in data storage cell; When battery management system exceptional reset or abnormal lower electricity, the value of the zone bit POWER_FLAG in data storage cell remains 0xAA;
(3) after battery management system powers on again, if the value of the POWER_FLAG in finding data storage cell in the self check stage is 0xAA, exceptional reset or powered-off fault just occured before identifying battery management system in control unit so;
(4) control unit resets to abnormal or the number of times of powered-off fault carries out record, be kept in data storage cell, when abnormal resets or the number of times of powered-off fault when surpassing certain number of times, fault alarm unit is judged fault and output alarm signal, and the prompting personnel carry out trouble shooting.
The present invention according to battery management system in exceptional reset or abnormal lower when electricity, the have no chance value of the zone bit POWER_FLAG in the Update Table memory cell of control unit, and when battery management system normally descends electric signal, control unit is to the zone bit POWER_FLAG in data memory cell assignment again, whether be normal power down, can effective monitoring battery management system exceptional reset or the situation of powered-off fault if can judge power down last time according to the value of zone bit after battery management system powers on again; The present invention carries out record with the situation of battery management system exceptional reset or powered-off fault, after the situation frequency of battery management system exceptional reset or powered-off fault surpasses certain number of times, system can output alarm signal, prompting personnel overhaul, find ahead of time potential safety hazard, guarantee the elec. vehicle safe in operation.
The above embodiment has only expressed embodiments of the present invention; it describes comparatively concrete and detailed; but can not therefore be interpreted as the restriction to the scope of the claims of the present invention; as long as employing is equal to the technical scheme that the form of replacement or equivalent transformation obtains, all should be within protection scope of the present invention.
Claims (1)
1. the method for a monitoring battery management system exceptional reset or powered-off fault, described battery management system comprises the control unit of controlling the whole system operation and data storage cell and the fault alarm unit that is connected with control unit, said method comprising the steps of:
(1) after battery management system powered on also self check for the first time, control unit was A with the zone bit POWER_FLAG assignment in data storage cell, and the step that the POWER_FLAG value in the data memory cell is judged is set;
(2) when battery management system was received normal lower electric signal, control unit was B with the zone bit POWER_FLAG assignment in data storage cell; When battery management system exceptional reset or abnormal lower electricity, the value of the zone bit POWER_FLAG in data storage cell remains A;
(3) when battery management system powers on again, if exceptional reset or powered-off fault occured before battery management system judgement POWER_FLAG=A; Control unit resets to abnormal or the number of times of powered-off fault adds up, and is kept in data storage cell;
(4) reset or the number of times of powered-off fault when surpassing set point number when abnormal, control the fault alarm unit output alarm signal, remind the staff to carry out trouble shooting.
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| CN201310276705.1A CN103381756B (en) | 2013-07-03 | 2013-07-03 | A kind of method of monitoring battery management system exceptional reset or powered-off fault |
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| CN201310276705.1A CN103381756B (en) | 2013-07-03 | 2013-07-03 | A kind of method of monitoring battery management system exceptional reset or powered-off fault |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103577236A (en) * | 2013-11-15 | 2014-02-12 | Tcl通讯（宁波）有限公司 | Mobile terminal for recording number of times of illegal removal of battery and obtaining method thereof |
| CN104092589A (en) * | 2014-07-24 | 2014-10-08 | 南车株洲电力机车研究所有限公司 | Network module and monitoring method for resetting of network module |
| CN106155874A (en) * | 2015-02-02 | 2016-11-23 | 慧荣科技股份有限公司 | Data storage device and power-off event judgment method thereof |
| CN106851149A (en) * | 2017-02-13 | 2017-06-13 | 广州视源电子科技股份有限公司 | The repositioning method and resetting means of display device |
| CN107662499A (en) * | 2016-07-28 | 2018-02-06 | 长城汽车股份有限公司 | Electric control method and system under whole pure electric vehicle failure |
| CN107993337A (en) * | 2018-01-04 | 2018-05-04 | 深圳怡化电脑股份有限公司 | A kind of self checking method of finance device, device, electronic equipment and storage medium |
| CN109483020A (en) * | 2019-01-08 | 2019-03-19 | 温岭阿凡达机电有限公司 | A kind of intelligent control gas shielded welding machine with liquid crystal display |
| CN110228395A (en) * | 2019-06-14 | 2019-09-13 | 上海蔚来汽车有限公司 | Two-supply circuit system |
| CN110301822A (en) * | 2018-03-27 | 2019-10-08 | 佛山市顺德区美的饮水机制造有限公司 | Water dispenser and its fault detection method and device |
| CN110825067A (en) * | 2019-09-26 | 2020-02-21 | 潍柴动力股份有限公司 | Abnormal power failure detection method and device |
| CN110907688A (en) * | 2018-09-17 | 2020-03-24 | 宁德时代新能源科技股份有限公司 | Power failure detection circuit and control method thereof |
| CN111332229A (en) * | 2020-03-11 | 2020-06-26 | 上海度普新能源科技有限公司 | Vehicle control method and device, storage medium and electronic equipment |
| CN111623554A (en) * | 2020-04-03 | 2020-09-04 | 广东芬尼克兹节能设备有限公司 | Abnormal power failure detection method and device for heat pump unit and heat pump unit |
| WO2023011351A1 (en) * | 2021-08-03 | 2023-02-09 | 深圳英集芯科技股份有限公司 | Universal serial bus power delivery-based communication method and related apparatus |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103577236B (en) * | 2013-11-15 | 2017-02-01 | Tcl通讯（宁波）有限公司 | Mobile terminal for recording number of times of illegal removal of battery and obtaining method thereof |
| CN103577236A (en) * | 2013-11-15 | 2014-02-12 | Tcl通讯（宁波）有限公司 | Mobile terminal for recording number of times of illegal removal of battery and obtaining method thereof |
| CN104092589A (en) * | 2014-07-24 | 2014-10-08 | 南车株洲电力机车研究所有限公司 | Network module and monitoring method for resetting of network module |
| CN104092589B (en) * | 2014-07-24 | 2017-06-30 | 南车株洲电力机车研究所有限公司 | The monitoring method that a kind of mixed-media network modules mixed-media and mixed-media network modules mixed-media reset |
| CN106155874B (en) * | 2015-02-02 | 2018-12-21 | 慧荣科技股份有限公司 | Data storage device and power-off event judgment method thereof |
| CN106155874A (en) * | 2015-02-02 | 2016-11-23 | 慧荣科技股份有限公司 | Data storage device and power-off event judgment method thereof |
| CN107662499A (en) * | 2016-07-28 | 2018-02-06 | 长城汽车股份有限公司 | Electric control method and system under whole pure electric vehicle failure |
| CN106851149A (en) * | 2017-02-13 | 2017-06-13 | 广州视源电子科技股份有限公司 | The repositioning method and resetting means of display device |
| CN106851149B (en) * | 2017-02-13 | 2019-11-22 | 广州视源电子科技股份有限公司 | Show the repositioning method and resetting apparatus of equipment |
| CN107993337A (en) * | 2018-01-04 | 2018-05-04 | 深圳怡化电脑股份有限公司 | A kind of self checking method of finance device, device, electronic equipment and storage medium |
| CN110301822A (en) * | 2018-03-27 | 2019-10-08 | 佛山市顺德区美的饮水机制造有限公司 | Water dispenser and its fault detection method and device |
| US11656672B2 (en) | 2018-09-17 | 2023-05-23 | Contemporary Amperex Technology Co., Limited | Method for controlling a power-down detection circuit, controller and computer readable storage media |
| CN110907688A (en) * | 2018-09-17 | 2020-03-24 | 宁德时代新能源科技股份有限公司 | Power failure detection circuit and control method thereof |
| US11048316B2 (en) | 2018-09-17 | 2021-06-29 | Contemporary Amperex Technology Co., Limited | Power-down detection circuit and control method |
| CN109483020A (en) * | 2019-01-08 | 2019-03-19 | 温岭阿凡达机电有限公司 | A kind of intelligent control gas shielded welding machine with liquid crystal display |
| CN109483020B (en) * | 2019-01-08 | 2021-05-04 | 温岭阿凡达机电有限公司 | Intelligent control gas shielded welding machine with liquid crystal display |
| CN110228395A (en) * | 2019-06-14 | 2019-09-13 | 上海蔚来汽车有限公司 | Two-supply circuit system |
| CN110228395B (en) * | 2019-06-14 | 2024-04-19 | 上海蔚来汽车有限公司 | Dual power supply circuit system |
| CN110825067A (en) * | 2019-09-26 | 2020-02-21 | 潍柴动力股份有限公司 | Abnormal power failure detection method and device |
| CN111332229A (en) * | 2020-03-11 | 2020-06-26 | 上海度普新能源科技有限公司 | Vehicle control method and device, storage medium and electronic equipment |
| CN111332229B (en) * | 2020-03-11 | 2021-11-23 | 上海度普新能源科技有限公司 | Vehicle control method and device, storage medium and electronic equipment |
| CN111623554A (en) * | 2020-04-03 | 2020-09-04 | 广东芬尼克兹节能设备有限公司 | Abnormal power failure detection method and device for heat pump unit and heat pump unit |
| WO2023011351A1 (en) * | 2021-08-03 | 2023-02-09 | 深圳英集芯科技股份有限公司 | Universal serial bus power delivery-based communication method and related apparatus |
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| CN103381756B (en) | 2015-10-21 |
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