CN102520698A - Power battery backup combination system and realization method thereof - Google Patents
Power battery backup combination system and realization method thereof Download PDFInfo
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- CN102520698A CN102520698A CN2011104378152A CN201110437815A CN102520698A CN 102520698 A CN102520698 A CN 102520698A CN 2011104378152 A CN2011104378152 A CN 2011104378152A CN 201110437815 A CN201110437815 A CN 201110437815A CN 102520698 A CN102520698 A CN 102520698A
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a power battery backup combination system and a realization method thereof. The system comprises at least two power supply unit bodies, wherein the power supply unit bodies are interconnected by a CAN control bus and information output interfaces are arranged on the power supply unit bodies; besides, the power supply unit bodies include power battery units and battery management system units. According to the invention, it is considered that a plurality of power supply unit bodies are needed for system backup; and independence of the power supply unit bodies and expansibility of the power supply units during the using process are both considered; a coding priority control mechanism is used to solve a system backup problem and a battery backup mechanism is realized, so that redundancy and stability of a battery energy storage system are enhanced.
Description
Technical field
The present invention relates to the battery technology field, relate in particular to electrokinetic cell backup group assembly system and its implementation of being applied in the electric automobile field.
Background technology
Electric automobile application or other need the application of electrokinetic cell all to need the power energy-storage units of electrokinetic cell as system; Even in some systems; This energy-storage battery unit is the unique energy source of system, and is therefore very high to the reliability requirement of this energy-storage battery unit.There have been some problems in single stored energy power battery unit in some applications.Simultaneously, system considers not only will consider the backup solution of current system in the application system of backup, also needs the extensibility of taking into account system simultaneously.During the available dynamic battery system was used, electrokinetic cell can use separately as unique energy-storage units, even the occasion that has many electrokinetic cells to use, each electrokinetic cell unit also is the independent energy storage requirement of accomplishing whole system.When any electrokinetic cell breaks down or during other problems, this electrokinetic cell will quit work, and then cause this electrokinetic cell that energy output and energy memory function can't be provided to the equipment in the external world.
Summary of the invention
The technical matters that the present invention will solve provides a kind of assurance whole system reliably working, electrokinetic cell backup group assembly system and its implementation of the independent operating of each energy-storage units and the mechanism of backuping each other.
The technical matters that the present invention will solve realizes through following technical scheme: a kind of electrokinetic cell backup group assembly system; Comprise at least two power supply unit bodies; Carry out interconnectedly between the described power supply unit body through the CAN control bus, be equipped with the information output interface on the power supply unit body; Described power supply unit body comprises electrokinetic cell unit and battery management system unit.
The present invention also provides the implementation method of above-mentioned electrokinetic cell backup group assembly system, and implementation step does, A, electrokinetic cell backup group assembly system are connected low-tension supply and started working, and the battery management system unit in the power supply unit body carries out system initialization; After B, initialization finished, each power supply unit body sent with the CAN infomational message and encode priority arbitration request of own code clerk as source address through the CAN control bus; C, in setting-up time; When the coding priority of the coding priority arbitration request of other power supply unit bodies that any power supply unit body is received all is lower than the coding priority of oneself; Then this power supply unit body is as the master control system of whole power battery backup group assembly system, and the conduct of the power supply unit body of other low priorities is from the control system.Among the said step C, coding priority is controlled all power supply unit bodies for the battery management system unit in the highest power supply unit body, accomplishes the information output of external interface.
Compared with prior art, electrokinetic cell is not independent one group, but electrokinetic cell backup group assembly system, and it is made up of two groups or more power supply unit body together, with the completion Redundant Control demand that backups each other.Simultaneously oneself independently control system can be arranged, can in the system that has only one group of power supply unit body, use, realize the Scalable Performance of system as mutually redundant any one group of power supply unit body.When existing many group power supply unit bodies to use simultaneously; The power supply unit body is through adopting the preferential controlling mechanism of coding: each group power supply unit body all has the battery coding of oneself, and when accumulator system brought into operation, each power supply unit body was accomplished after the system initialization; Send oneself coding priority arbitration request through the CAN bus; Simultaneously each power supply unit body goes to monitor the coding priority arbitration request that other power supply unit body sends over, when the power supply unit body at the appointed time, in the coding priority arbitration solicited message that is listened to; When not intercepting and capturing than the preferential request of oneself coding, then this power supply unit body becomes the main control unit of each power supply unit body; When the power supply unit body at the appointed time; When the coding that listens to the power supply unit body has precedence over oneself; This power supply unit body is then as from control module; Ensuing in service, receive only and carry out the order of main control unit, with the output and the demand for control of common completion electrokinetic cell backup group assembly system.When system had only one group of power supply unit body to use, this power supply unit body was the requests for arbitration of monitoring less than other power supply unit bodies at the appointed time, and this group power supply unit body can initiatively get into the automatic control pattern then, accomplished the energy storage output and control of this system.
Description of drawings
Fig. 1 is an electrokinetic cell backup group assembly system principle sketch of the present invention.
Embodiment
For the ease of those skilled in the art's understanding, will combine embodiment and accompanying drawing that the principle of the invention is described in further detail below:
A kind of electrokinetic cell backup group assembly system comprises PACK1.。。。PACKn power supply unit body, wherein, n >=2 are carried out interconnectedly through the CAN control bus between the described power supply unit body, be equipped with the information output interface on the power supply unit body; Described power supply unit body comprises electrokinetic cell unit and battery management system unit.PACK1 is encoded to No. 1, and PACKn is encoded to n (n >=2) number.Number more for a short time, priority arbitration is high more.
When system began to work on power, PACK1 and PACKn can work and accomplish the initialization task of system simultaneously.Accomplish after the system initiation task, n PACK can send with the CAN infomational message of own code clerk as source address through the CAN control bus, the priority arbitration request of encoding of transmission simultaneously.
When in setting-up time; For example in 1 second; When the coding priority of the coding priority arbitration request of other PACK that any PACK receives all is lower than the coding priority of oneself; Then the highest during the coding priority of this PACK, it will be as the total system master control system, and the system of all low priorities is as from the control system.In illustrated system, the coding priority of PACK1 is high, and the coding priority of PACKn is low, and then PACK1 will be as master control system, and PACKn is controlled PACK1 and PACKn by PACK1 as from the control system then, accomplishes the information output of external interface.
The present invention proposes the preferential controlling mechanism of a kind of coding, solves the backup each other system applies demand of formula of electrokinetic cell.And the current driving force battery generally all is to use as a separate unit in the reality use, has very strong independence, has determined the less stable of system like this.The present invention considers that system backup needs the composition of a plurality of power supply unit bodies; Not only to consider the independence of power supply unit body; The power supply unit body is in the extendability of use simultaneously; Can back up by resolution system through the preferential controlling mechanism of encoding, realize the battery back mechanism, and then improve the redundancy and the stability of battery energy storage system.
Above-mentionedly be merely preferred implementation of the present invention, in addition, the present invention can also have other implementations.That is to say that under the prerequisite that does not break away from the present invention's design, any conspicuous replacement all should fall within protection scope of the present invention.
Claims (3)
1. an electrokinetic cell backup group assembly system is supported a plurality of power supply unit bodies, it is characterized in that: carry out interconnectedly between the described power supply unit body through the CAN control bus, be equipped with the information output interface on the power supply unit body; Described power supply unit body comprises electrokinetic cell unit and battery management system unit.
2. implementation method according to the said electrokinetic cell backup group of claim 1 assembly system is characterized in that: implementation step does,
A, electrokinetic cell backup group assembly system are connected low-tension supply and are started working, and the battery management system unit in the power supply unit body carries out system initialization;
After B, initialization finished, each power supply unit body sent with the CAN infomational message and encode priority arbitration request of own code clerk as source address through the CAN control bus;
C, in setting-up time; When the coding priority of the coding priority arbitration request of other power supply unit bodies that any power supply unit body is received all is lower than the coding priority of oneself; Then this power supply unit body is as the master control system of whole power battery backup group assembly system, and the conduct of the power supply unit body of other low priorities is from the control system.
3. the implementation method of electrokinetic cell backup group assembly system according to claim 2; It is characterized in that: among the said step C; Coding priority is controlled all power supply unit bodies for the battery management system unit in the highest power supply unit body, accomplishes the information output of external interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110437815.2A CN102520698B (en) | 2011-12-23 | 2011-12-23 | Realization method of power battery backup combination system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110437815.2A CN102520698B (en) | 2011-12-23 | 2011-12-23 | Realization method of power battery backup combination system |
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| CN102520698A true CN102520698A (en) | 2012-06-27 |
| CN102520698B CN102520698B (en) | 2014-01-29 |
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| CN201110437815.2A Active CN102520698B (en) | 2011-12-23 | 2011-12-23 | Realization method of power battery backup combination system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114361561A (en) * | 2021-12-31 | 2022-04-15 | 杭州鹏成新能源科技有限公司 | Novel battery pack grouping system capable of selecting combination and grouping method |
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| WO2003041206A1 (en) * | 2001-10-11 | 2003-05-15 | Silverman Martin S | Digital battery |
| WO2007041828A1 (en) * | 2005-10-11 | 2007-04-19 | Delaware Power Systems Corp. | Universal battery module and controller therefor |
| CN101141012A (en) * | 2007-01-19 | 2008-03-12 | 华南理工大学 | Collective and distributive type power batteries dynamic equilibria management system |
| CN101867204A (en) * | 2010-05-18 | 2010-10-20 | 临清迅发电器有限责任公司 | Battery energy management device of electric vehicle and method |
| CN102064356A (en) * | 2010-12-21 | 2011-05-18 | 深圳市佳华利道新技术开发有限公司 | Battery management system |
-
2011
- 2011-12-23 CN CN201110437815.2A patent/CN102520698B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003041206A1 (en) * | 2001-10-11 | 2003-05-15 | Silverman Martin S | Digital battery |
| WO2007041828A1 (en) * | 2005-10-11 | 2007-04-19 | Delaware Power Systems Corp. | Universal battery module and controller therefor |
| CN101141012A (en) * | 2007-01-19 | 2008-03-12 | 华南理工大学 | Collective and distributive type power batteries dynamic equilibria management system |
| CN101867204A (en) * | 2010-05-18 | 2010-10-20 | 临清迅发电器有限责任公司 | Battery energy management device of electric vehicle and method |
| CN102064356A (en) * | 2010-12-21 | 2011-05-18 | 深圳市佳华利道新技术开发有限公司 | Battery management system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114361561A (en) * | 2021-12-31 | 2022-04-15 | 杭州鹏成新能源科技有限公司 | Novel battery pack grouping system capable of selecting combination and grouping method |
| CN114361561B (en) * | 2021-12-31 | 2024-03-19 | 杭州鹏成新能源科技有限公司 | Novel battery pack grouping system capable of being selectively combined and grouped and grouping method |
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| CN102520698B (en) | 2014-01-29 |
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