CN105700919A - BMS application rapid update method and update system - Google Patents
BMS application rapid update method and update system Download PDFInfo
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- CN105700919A CN105700919A CN201610009621.5A CN201610009621A CN105700919A CN 105700919 A CN105700919 A CN 105700919A CN 201610009621 A CN201610009621 A CN 201610009621A CN 105700919 A CN105700919 A CN 105700919A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/66—Updates of program code stored in read-only memory [ROM]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/656—Updates while running
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Abstract
The present invention discloses a BMS application rapid update method and update system. The method comprises the following steps: (1) allocating a BMS program to a storage region of the BMS program in a ROM according to a functional module; (2) adding an external memory in the BMS, and when updating the module, receiving a new module program and storing the new module program into the external memory; (3) determining whether an abnormal condition exist in module updating; (4) if the abnormal condition does not appear, performing an integrity check on the a whole module program after completing reception of the whole module program, and after the check succeeds, updating the program into a corresponding internal storage region; and (5) if the abnormal condition appears, restoring a backup program to the original module, and restoring a system to an original state. The system comprises a functional module division subsystem, an external storage subsystem, an anomaly determination subsystem, an internal storage subsystem and an abnormality restoration subsystem, which are connected sequentially. By means of the method and system disclosed by the present invention, online upgrade time of the BMS application can be shortened, and a system crash caused by BMS upgrade anomaly can be prevented.
Description
Technical field
The present invention relates to the technical field of electric automobile, more specifically, relate to a kind of BMS application program Rapid Updating and renewal system。
Background technology
Popularization and application along with New-energy electric vehicle, BMS (BatteryManagementSystem battery management system) yield also improves therewith, the time that application program updating function in BMS production maintenance process takies also is lengthening therewith, and update method of the prior art is primarily present the defect of following two aspects:
1, along with the increase of BMS program code amount, online (communication such as CAN/RS32/U dish/SD card/GPRS/WIFI) by existing manner more new procedures is consuming time in continuous increase, and BMS is produced in batches by this, and on-the-spot updating maintenance is very inconvenient；
2, existing program update mode adopts the mode updating whole chip program, occurs extremely to cause that whole system cannot be properly functioning in escalation process。
Summary of the invention
It is an object of the invention to overcome drawbacks described above of the prior art, it is provided that BMS application program Rapid Updating and the system of renewal, shorten the online upgrading time of BMS application program, and prevent the abnormal system crash caused of BMS upgrading。
For achieving the above object, technical scheme provided by the invention is as follows:
A kind of BMS application program Rapid Updating provided by the invention, the method comprises the steps:
(1) its memory area in ROM is distributed BMS program by functional module；
(2) in BMS, increase external memory storage, first new modular program is received when module updates and preserve to external memory storage；
(3) judge module whether abnormal situation in updating；
(4) as unusual condition does not occur, then receive after whole modular program completes and whole modular program is carried out completeness check, verify and program is updated to after successfully corresponding internal storage areas again；
(5) as there is unusual condition, recovering stand-by program to grand master pattern block, simultaneity factor replys initial condition。
As preferred technical scheme, in step (1), BMS procedure division is become following functional module:
Voltage detection module, current detection module, SOC correcting module, temperature detecting module, GB charge control module and high pressure power-on and power-off module。
As preferred technical scheme, in step (2), described external memory storage is linked in BMS by following manner:
(2-1) increase the storage chip of Flash form at BMSPCB, and be connected with BMS by the communication mode of IIC or SPI；
(2-2) increasing USB flash disk or SD card interface chip at BMSPCB, BMS stores media communications by interface chip with USB flash disk or SD。
As preferred technical scheme, in step (4), MD5 code is used to carry out completeness check whole modular program, its method particularly includes:
External memory storage has been deposited MD5 code value, described MD5 code value is sent by calculating actual block code by the host computer of more new procedures, BMS also calculates the block code MD5 code value of reality, compares two MD5 code values, if the same thinks that whole modular program is complete。
As preferred technical scheme, in step (5), when abnormal conditions occur, BMS is by controlling hardware watchdog, restart BMS, BMS checks error flag position, it has been found that program does not have normal burning to complete, and the program of backup area is updated to BMS internal processes memory area again, and described abnormal conditions include time-out and check errors。
Present invention also offers a kind of BMS application program and quickly update system; this system includes functional module partition sub-system, external storage subsystem, extremely judges subsystem, storage inside subsystem and abnormal restoring subsystem, and described functional module partition sub-system, external storage subsystem, exception judge that subsystem, storage inside subsystem and abnormal restoring subsystem are linked in sequence；
Described functional module partition sub-system, for distributing its memory area in ROM by BMS program by functional module；
Described external storage subsystem, for increasing external memory storage in BMS, first receives new modular program when module updates and preserves to external memory storage；
Described exception judges subsystem, whether abnormal situation in updating for judge module；
Described storage inside subsystem, for as there is not unusual condition, then receiving after whole modular program completes and whole modular program is carried out completeness check, verifies and program is updated to after successfully corresponding internal storage areas again；
Described abnormal restoring subsystem, for as there is unusual condition, recovering stand-by program to grand master pattern block, it is ensured that system replys initial condition。
As preferred technical scheme, BMS procedure division is become voltage detection module, current detection module, SOC correcting module, temperature detecting module, GB charge control module and high pressure power-on and power-off module by described functional module partition sub-system。
As preferred technical scheme, in described external storage subsystem, external memory storage is linked in BMS by following manner:
(2-1) increase the storage chip of Flash form at BMSPCB, and be connected with BMS by the communication mode of IIC or SPI；
(2-2) increasing USB flash disk or SD card interface chip at BMSPCB, BMS stores media communications by interface chip with USB flash disk or SD。
As preferred technical scheme, described storage inside subsystem includes completeness check module, described completeness check module adopt MD5 code carry out completeness check, itself particularly as follows:
External memory storage has been deposited MD5 code value, described MD5 code value is sent by calculating actual block code by the host computer of more new procedures, BMS also calculates the block code MD5 code value of reality, compares two MD5 code values, if the same thinks that whole modular program is complete。
As preferred technical scheme; described abnormal restoring subsystem includes restarting module; described when restarting module for abnormal conditions occur; BMS is by controlling hardware watchdog; restart BMS; BMS checks error flag position, it has been found that program does not have normal burning to complete, and the program of backup area is updated to BMS internal processes memory area again, and described abnormal conditions include time-out and check errors。
Compared with prior art, the beneficial effects of the present invention is:
1, the present invention distributes its memory area in ROM by BMS program by functional module, be conducive to carrying out program renewal for individual module, and free time selection corresponding module upgrading at times can be utilized, it is greatly shortened the online upgrading time of BMS application program。
2, the present invention can pass through to update designated program by module upgrade, shortens update time, it is prevented that because of the situation that the abnormal system caused of upgrading cannot be run, by the buffer memory of external memory storage and backup functionality, will stop the abnormal system crash caused of upgrading。
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings。
Fig. 1 is the flow chart of the BMS application program Rapid Updating that the embodiment of the present invention one provides；
Fig. 2 is the flow chart of the BMS application program Rapid Updating that the embodiment of the present invention two provides；
Fig. 3 is the block diagram that the BMS application program that the embodiment of the present invention three provides quickly updates system；
Fig. 4 is the block diagram that the BMS application program that the embodiment of the present invention four provides quickly updates system；
Fig. 5 is block diagram BMS program divided by functional module in the embodiment of the present invention two and embodiment four。
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiments。Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention。
Embodiment one
Embodiments of the invention one provide a kind of BMS application program Rapid Updating, and Fig. 1 is the method flow diagram of the embodiment of the present invention one, refer to Fig. 1, and the method for the embodiment of the present invention comprises the following steps:
S101, distribute its memory area in ROM by BMS program by functional module；
S102, in BMS, increase external memory storage, first new modular program received when module updates and preserve to external memory storage,
S103, judge module whether abnormal situation in updating；
S104, as unusual condition does not occur, then receive after whole modular program completes and whole modular program carried out completeness check, verify and program is updated to after successfully corresponding internal storage areas again；
S105, as unusual condition occurs, stand-by program is recovered to grand master pattern block, simultaneity factor replys initial condition。
The present invention distributes its memory area in ROM by BMS program by functional module, is conducive to carrying out program renewal for individual module, it is possible to utilizes free time selection corresponding module upgrading at times, is greatly shortened the online upgrading time of BMS application program。
Embodiment two
Embodiments of the invention two provide a kind of BMS application program Rapid Updating, are the improvement carried out on the basis of embodiment one。Fig. 2 is the method flow diagram of the embodiment of the present invention two, refer to Fig. 2, and the method for the embodiment of the present invention comprises the following steps:
S201, distribute its memory area in ROM by BMS program by functional module, BMS procedure division become following functional module, refer to Fig. 5:
Voltage detection module, current detection module, SOC correcting module, temperature detecting module, GB charge control module and high pressure power-on and power-off module；
S202, increasing external memory storage in BMS, first new modular program received and preserve to external memory storage when module updates, the mode of access has following several:
(2-1) increase the storage chip of Flash form at BMSPCB, and be connected with BMS by the communication mode of IIC or SPI；
(2-2) increasing USB flash disk or SD card interface chip at BMSPCB, BMS stores media communications by interface chip with USB flash disk or SD。
S203, judge module whether abnormal situation in updating；
S204, as unusual condition does not occur, to whole modular program use MD5 code carry out completeness check；
Having deposited MD5 code value in S205, external memory storage, described MD5 code value is sent by calculating actual block code by the host computer of more new procedures；
S206, BMS also calculate the block code MD5 code value of reality；
S207, compare two MD5 code values, if the same think that whole modular program is complete；
S208, as unusual condition occurs, BMS by control hardware watchdog, restart BMS；
S209, BMS check error flag position, it has been found that program does not have normal burning to complete, and the program of backup area is updated to BMS internal processes memory area again, and described abnormal conditions include time-out and check errors。
The present invention can pass through to update designated program by module upgrade, shortens update time, it is prevented that because of the situation that the abnormal system caused of upgrading cannot be run, by the buffer memory of external memory storage and backup functionality, will stop the abnormal system crash caused of upgrading。
Embodiment three
Embodiments of the invention three provide a kind of BMS application program and quickly update system; Fig. 3 is the structured flowchart of the embodiment of the present invention three; refer to Fig. 3; the renewal system of the embodiment of the present invention includes functional module partition sub-system 1, external storage subsystem 2, abnormal judges subsystem 3, storage inside subsystem 4 and abnormal restoring subsystem 5, will the principle of each functional module be described in detail below。
Described functional module partition sub-system 1, for distributing its memory area in ROM by BMS program by functional module；
Described external storage subsystem 2, for increasing external memory storage in BMS, first receives new modular program when module updates and preserves to external memory storage；
Described abnormal judge subsystem 3, for whether abnormal situation in judge module renewal；
Described storage inside subsystem 4, for as there is not unusual condition, then receiving after whole modular program completes and whole modular program is carried out completeness check, verifies and program is updated to after successfully corresponding internal storage areas again；
Described abnormal restoring subsystem 5, for as there is unusual condition, recovering stand-by program to grand master pattern block, it is ensured that system replys initial condition。
Embodiment four
Embodiments of the invention four provide a kind of BMS application program and quickly update system, refer to Fig. 4, the computing system of the display system of the embodiment of the present invention and above-described embodiment three is distinctive in that, BMS procedure division is become voltage detection module, current detection module, SOC correcting module, temperature detecting module, GB charge control module and high pressure power-on and power-off module by described functional module partition sub-system 1, refer to Fig. 5。
In described external storage subsystem 2, external memory storage is linked in BMS by following manner:
(2-1) increase the storage chip of Flash form at BMSPCB, and be connected with BMS by the communication mode of IIC or SPI；
(2-2) increasing USB flash disk or SD card interface chip at BMSPCB, BMS stores media communications by interface chip with USB flash disk or SD。
Described storage inside subsystem 4 includes completeness check module 41, described completeness check module adopt MD5 code carry out completeness check, itself particularly as follows:
External memory storage has been deposited MD5 code value, described MD5 code value is sent by calculating actual block code by the host computer of more new procedures, BMS also calculates the block code MD5 code value of reality, compares two MD5 code values, if the same thinks that whole modular program is complete。
Described abnormal restoring subsystem 5 includes restarting module 51; described when restarting module for abnormal conditions occur; BMS is by controlling hardware watchdog; restart BMS; BMS checks error flag position; discovery procedure does not have normal burning to complete, and the program of backup area is updated to BMS internal processes memory area again, and described abnormal conditions include time-out and check errors。
It should be noted that at this, a kind of BMS application program that above-described embodiment provides quickly updates system, only it is illustrated with the division of above-mentioned each functional module, in practical application, as desired above-mentioned functions distribution can be completed by different functional modules, it is divided into different functional modules, to complete all or part of function described above by the internal structure of system。
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method can be by the hardware that program carrys out instruction relevant and completes, described program can in being stored in a computer read/write memory medium, described storage medium, such as ROM/RAM, disk, CD etc.。
Above-described embodiment is the present invention preferably embodiment; but embodiments of the present invention are also not restricted to the described embodiments; the change made under other any spirit without departing from the present invention and principle, modification, replacement, combination, simplification; all should be the substitute mode of equivalence, be included within protection scope of the present invention。
Claims (10)
1. a BMS application program Rapid Updating, it is characterised in that the method comprises the steps:
(1) its memory area in ROM is distributed BMS program by functional module；
(2) in BMS, increase external memory storage, first new modular program is received when module updates and preserve to external memory storage；
(3) judge module whether abnormal situation in updating；
(4) as unusual condition does not occur, then receive after whole modular program completes and whole modular program is carried out completeness check, verify and program is updated to after successfully corresponding internal storage areas again；
(5) as there is unusual condition, recovering stand-by program to grand master pattern block, simultaneity factor replys initial condition。
2. BMS application program Rapid Updating according to claim 1, it is characterised in that in step (1), BMS procedure division is become following functional module:
Voltage detection module, current detection module, SOC correcting module, temperature detecting module, GB charge control module and high pressure power-on and power-off module。
3. BMS application program Rapid Updating according to claim 1, it is characterised in that in step (2), described external memory storage is linked in BMS by following manner:
(2-1) increase the storage chip of Flash form at BMSPCB, and be connected with BMS by the communication mode of IIC or SPI；
(2-2) increasing USB flash disk or SD card interface chip at BMSPCB, BMS stores media communications by interface chip with USB flash disk or SD。
4. BMS application program Rapid Updating according to claim 1, it is characterised in that in step (4), uses MD5 code to carry out completeness check whole modular program, its method particularly includes:
External memory storage has been deposited MD5 code value, described MD5 code value is sent by calculating actual block code by the host computer of more new procedures, BMS also calculates the block code MD5 code value of reality, compares two MD5 code values, if the same thinks that whole modular program is complete。
5. BMS application program Rapid Updating according to claim 1, it is characterized in that, in step (5), when abnormal conditions occur, BMS, by controlling hardware watchdog, restarts BMS, BMS and checks error flag position, discovery procedure does not have normal burning to complete, and the program of backup area is updated to BMS internal processes memory area again, and described abnormal conditions include time-out and check errors。
6. a BMS application program quickly updates system; it is characterized in that; this system includes functional module partition sub-system, external storage subsystem, extremely judges subsystem, storage inside subsystem and abnormal restoring subsystem, and described functional module partition sub-system, external storage subsystem, exception judge that subsystem, storage inside subsystem and abnormal restoring subsystem are linked in sequence；
Described functional module partition sub-system, for distributing its memory area in ROM by BMS program by functional module；
Described external storage subsystem, for increasing external memory storage in BMS, first receives new modular program when module updates and preserves to external memory storage；
Described exception judges subsystem, whether abnormal situation in updating for judge module；
Described storage inside subsystem, for as there is not unusual condition, then receiving after whole modular program completes and whole modular program is carried out completeness check, verifies and program is updated to after successfully corresponding internal storage areas again；
Described abnormal restoring subsystem, for as there is unusual condition, recovering stand-by program to grand master pattern block, it is ensured that system replys initial condition。
7. BMS application program according to claim 6 quickly updates system, it is characterized in that, BMS procedure division is become voltage detection module, current detection module, SOC correcting module, temperature detecting module, GB charge control module and high pressure power-on and power-off module by described functional module partition sub-system。
8. BMS application program according to claim 6 quickly updates system, it is characterised in that in described external storage subsystem, and external memory storage is linked in BMS by following manner:
(2-1) increase the storage chip of Flash form at BMSPCB, and be connected with BMS by the communication mode of IIC or SPI；
(2-2) increasing USB flash disk or SD card interface chip at BMSPCB, BMS stores media communications by interface chip with USB flash disk or SD。
9. BMS application program according to claim 6 quickly updates system, it is characterised in that described storage inside subsystem includes completeness check module, described completeness check module adopt MD5 code carry out completeness check, itself particularly as follows:
External memory storage has been deposited MD5 code value, described MD5 code value is sent by calculating actual block code by the host computer of more new procedures, BMS also calculates the block code MD5 code value of reality, compares two MD5 code values, if the same thinks that whole modular program is complete。
10. BMS application program according to claim 6 quickly updates system; it is characterized in that; described abnormal restoring subsystem includes restarting module; described when restarting module for abnormal conditions occur; BMS, by controlling hardware watchdog, restarts BMS, BMS and checks error flag position; discovery procedure does not have normal burning to complete, and the program of backup area is updated to BMS internal processes memory area again, and described abnormal conditions include time-out and check errors。
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| CN105930236A (en) * | 2016-07-15 | 2016-09-07 | 深圳市沃特玛电池有限公司 | Application program version returning method based on BMS Bootloaderupgrade |
| CN106528336A (en) * | 2016-11-02 | 2017-03-22 | 天津市捷威动力工业有限公司 | Method for preventing BMS software update failure from causing incapability of roboot |
| CN106878401A (en) * | 2017-01-23 | 2017-06-20 | 斑马信息科技有限公司 | Control method, control device, mobile unit and transport facility |
| CN107678415A (en) * | 2016-10-17 | 2018-02-09 | 深圳市东方之星电源有限公司 | The diagnosis of vehicle-mounted BMS based on cloud computing and maintaining method and system |
| CN107832062A (en) * | 2017-09-08 | 2018-03-23 | 上海壹账通金融科技有限公司 | A kind of method for updating program and terminal device |
| CN109117161A (en) * | 2018-08-29 | 2019-01-01 | 广东美的制冷设备有限公司 | The online upgrading control method and appliance system of appliance system |
| CN109992280A (en) * | 2017-12-29 | 2019-07-09 | 深圳市优必选科技有限公司 | A kind of method, terminal installation and the storage device of embedded software upgrading |
| CN112732311A (en) * | 2020-12-28 | 2021-04-30 | 上海瑞浦青创新能源有限公司 | BMS program hot updating method, system and medium for large energy storage system |
| CN114253568A (en) * | 2020-09-21 | 2022-03-29 | 北京海博思创科技股份有限公司 | Application program upgrading method, device and equipment |
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| CN105930236A (en) * | 2016-07-15 | 2016-09-07 | 深圳市沃特玛电池有限公司 | Application program version returning method based on BMS Bootloaderupgrade |
| CN107678415A (en) * | 2016-10-17 | 2018-02-09 | 深圳市东方之星电源有限公司 | The diagnosis of vehicle-mounted BMS based on cloud computing and maintaining method and system |
| CN106528336A (en) * | 2016-11-02 | 2017-03-22 | 天津市捷威动力工业有限公司 | Method for preventing BMS software update failure from causing incapability of roboot |
| CN106528336B (en) * | 2016-11-02 | 2019-08-20 | 天津市捷威动力工业有限公司 | A method of preventing BMS software upgrading unsuccessfully leads to that starting cannot be turned back on |
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| CN107832062A (en) * | 2017-09-08 | 2018-03-23 | 上海壹账通金融科技有限公司 | A kind of method for updating program and terminal device |
| CN107832062B (en) * | 2017-09-08 | 2020-04-21 | 深圳壹账通智能科技有限公司 | Program updating method and terminal equipment |
| CN109992280A (en) * | 2017-12-29 | 2019-07-09 | 深圳市优必选科技有限公司 | A kind of method, terminal installation and the storage device of embedded software upgrading |
| CN109117161A (en) * | 2018-08-29 | 2019-01-01 | 广东美的制冷设备有限公司 | The online upgrading control method and appliance system of appliance system |
| CN114253568A (en) * | 2020-09-21 | 2022-03-29 | 北京海博思创科技股份有限公司 | Application program upgrading method, device and equipment |
| CN112732311A (en) * | 2020-12-28 | 2021-04-30 | 上海瑞浦青创新能源有限公司 | BMS program hot updating method, system and medium for large energy storage system |
| CN112732311B (en) * | 2020-12-28 | 2024-05-03 | 上海瑞浦青创新能源有限公司 | BMS program hot updating method, system and medium for large energy storage system |
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