CN110795361A - Energy storage system with automatic address allocation function and operation mode thereof - Google Patents
Energy storage system with automatic address allocation function and operation mode thereof Download PDFInfo
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- CN110795361A CN110795361A CN201910243490.0A CN201910243490A CN110795361A CN 110795361 A CN110795361 A CN 110795361A CN 201910243490 A CN201910243490 A CN 201910243490A CN 110795361 A CN110795361 A CN 110795361A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 32
- 238000009826 distribution Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
- G06F12/023—Free address space management
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J15/00—Systems for storing electric energy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5038—Address allocation for local use, e.g. in LAN or USB networks, or in a controller area network [CAN]
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Abstract
The invention discloses an energy storage system with an automatic address allocation function, wherein functional modules with PWM receiving and PWM output functions and corresponding input and output pins are carried on LECU and CECU hardware circuit boards, PWM leading-out pins of the corresponding LECU and CECU are electrically connected according to corresponding topological structures, and the system can automatically allocate the addresses of the LECU and the CECU which are connected to the system when the energy storage system is electrified. The invention has the advantages that: the automatic allocation of the addresses of the CECU circuit boards and the LECU circuit boards on the energy storage system BMS can be realized, and manual setting and marking are not needed one by one; the circuit boards are not required to be distinguished before and after mass production, the circuit boards are directly replaced, the system can automatically allocate addresses, the material management cost and the labor cost are saved, and the efficiency is improved; in the process of automatically allocating addresses by the LECU and the CECU, the system can complete other self-checking programs, the process time is short, and the system can rapidly enter the running state.
Description
Technical Field
The invention relates to an energy storage system with an automatic address allocation function and an operation mode thereof, relates to the technical field of BMSs (battery management systems) on energy storage power stations, and particularly relates to an energy storage system with addresses allocated by a master control board and a slave control board.
Background
Energy storage power station comprises hundreds of thousands of monomer electricity cores, assembles the module from electric core, and the module is established ties into RACK, and RACK is parallelly connected at last and is piled up, forms energy storage system's tertiary framework (module-RACK-heap), and the tertiary framework of corresponding BMS is: LECU-CECU-BAMS. The cell voltage of each cell needs to be collected, and thus a large number of LECUs and CECUs are used.
Sub-management module lecu (local ecu): the battery management system is responsible for 4-12 battery management and has the functions of collecting single voltage, 2-path temperature collection and battery module balancing;
central management unit cecu (central ecu): the system is responsible for monitoring and managing the state of the 2P240S battery pack;
BAMS (battery array management system): the system consists of a plurality of LECUs and a plurality of CECUs, and is communicated with the LECUs, the PCS controller and the energy monitor in real time in a CAN bus mode;
an energy storage system of 1Mwh, LECU gathers 8 electricity core monomer voltages, design according to using 12 RACKs, every RACK probably will use 18 LECUs, every LECU, CECU need through the addition of the mode of software address in distinguishing, if write in this address through artificial mode, can let every LECU, CECU need do different processing, LECU can not use at will on a module, CECU can not use at will on a RACK, produce great influence to material management, automated production, after sale etc. like this, the efficiency is lower and easy mistake.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide an energy storage system with an automatic address allocation function and an operation method thereof, which can automatically allocate circuit board addresses without manually setting and marking one by one.
The invention is realized by the following scheme: an energy storage system with automatic address allocation, comprising a Battery Management System (BMS) of a three-level architecture: LECU-CECU-BAMS, the LECU, CECU in the energy storage system can receive and output PWM signals.
The LECU and the CECU are provided with a function module with PWM receiving and PWM output and corresponding input and output pins on hardware circuit boards of the LECU and the CECU.
A method for automatically allocating addresses to energy storage systems comprises the following steps,
the method comprises the following steps: carrying functional modules with PWM receiving and PWM output and corresponding input and output pins on LECU and CECU hardware circuit boards of the energy storage system;
step two: electrically connecting the PWM pins of the corresponding LECU and CECU according to the corresponding topological structures;
step three: when the energy storage system is powered on, the system can automatically allocate the addresses of the LECUs and the CECUs which are connected to the system.
In the third step, in the process of automatically allocating the addresses by the LECU and the CECU, the system completes other self-checking programs.
An energy storage system with automatic address allocation operates as follows: the method comprises the following steps of automatic CECU address allocation process and automatic LECU address allocation:
the CECU address automatic allocation process is as follows: the BAMS outputs a PWM signal with 2% duty ratio, and the first CECU receives the PWM signal with the duty ratio and sets the address of a circuit board of the first CECU to be 1; then outputting a PWM signal with 3% duty ratio, receiving the 3% duty ratio by the second CECU, and setting the address of the circuit board per se to be 2; and by analogy, the other CECUs set the addresses of the CECUs in sequence.
The LECU address automatic allocation process is as follows: the CECU outputs a PWM signal with 2% duty ratio, and the first LECU receives the PWM signal with the duty ratio and sets the address of a circuit board of the first LECU to be 1; then outputting a PWM signal with 3% duty ratio, receiving the 3% duty ratio by a second LECU, and setting the address of a circuit board of the second LECU to be 2; and by analogy, the rest LECUs set the addresses of the LECUs in sequence.
And in the automatic CECU address distribution process and the automatic LECU address distribution process, the system completes other self-checking programs.
The invention has the beneficial effects that:
1. the energy storage system with the automatic address allocation function can realize the automatic allocation of the addresses of the CECU circuit boards and the LECU circuit boards on the energy storage system BMS, and does not need to be manually set and marked one by one;
2. according to the energy storage system with the automatic address allocation function, circuit boards do not need to be distinguished before and after mass production, the circuit boards are directly replaced, the system can automatically allocate addresses, material management cost and labor cost are saved, and efficiency is improved;
3. in the energy storage system with the automatic address allocation function, the system can complete other self-checking programs in the process of automatically allocating addresses by the LECU and the CECU, the process time is short, and the system can rapidly enter the running state.
Drawings
FIG. 1 is a diagram of a calibrated connection topology according to the present invention.
FIG. 2 is a BAMS address scaling circuit of the present invention.
FIG. 3 is a CECU address scaling circuit of the present invention.
FIG. 4 is a LECU address scaling circuit of the present invention.
Detailed Description
The invention is further described below with reference to fig. 1-4, without limiting the scope of the invention.
In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development effort might be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.
A 1Mwh energy storage system, LECUs collect 8 cell voltages, and are designed to use 12 RACKs, each RACK will probably use 18 LECUs, and the energy storage system needs 1 BAMS,12 CECUs and 18 × 12 LECUs in total.
Firstly, carrying a function module with PWM receiving and PWM output and a corresponding input/output pin on LECU and CECU hardware circuit boards of an energy storage system; electrically connecting the PWM pins of the corresponding LECU and CECU according to the corresponding topological structures; when the energy storage system is powered on, the system can automatically allocate the addresses of the LECUs and the CECUs which are connected to the system.
The CECU address automatic allocation process comprises the following steps: the BAMS outputs a PWM signal with 2% duty ratio, and the first CECU receives the PWM signal with the duty ratio and sets the address of a circuit board of the first CECU to be 1; then outputting a PWM signal with 3% duty ratio, receiving the 3% duty ratio by the second CECU, and setting the address of the circuit board per se to be 2; and by analogy, the other CECUs set the addresses of the CECUs in sequence.
The LECU address automatic assignment process is as follows: the CECU outputs a PWM signal with 2% duty ratio, and the first LECU receives the PWM signal with the duty ratio and sets the address of a circuit board of the first LECU to be 1; then outputting a PWM signal with 3% duty ratio, receiving the 3% duty ratio by a second LECU, and setting the address of a circuit board of the second LECU to be 2; and by analogy, the rest LECUs set the addresses of the LECUs in sequence.
In the CECU address automatic allocation process and the LECU address automatic allocation process, the system completes other self-checking programs.
Although the invention has been described and illustrated in some detail, it should be understood that various modifications may be made to the described embodiments or equivalents may be substituted, as will be apparent to those skilled in the art, without departing from the spirit of the invention.
Claims (7)
1. An energy storage system with automatic address allocation, comprising a Battery Management System (BMS) of a three-level architecture: LECU-CECU-BAMS, characterized by: the LECUs, CECUs in the energy storage system are capable of receiving and outputting PWM signals.
2. An energy storage system with automatic address assignment according to claim 1, characterized in that: the LECU and the CECU are provided with a function module with PWM receiving and PWM output and corresponding input and output pins on hardware circuit boards of the LECU and the CECU.
3. A method for automatically allocating addresses to energy storage systems is characterized in that: which comprises the following steps of,
the method comprises the following steps: carrying functional modules with PWM receiving and PWM output and corresponding input and output pins on LECU and CECU hardware circuit boards of the energy storage system;
step two: electrically connecting the PWM pins of the corresponding LECU and CECU according to the corresponding topological structures;
step three: when the energy storage system is powered on, the system can automatically allocate the addresses of the LECUs and the CECUs which are connected to the system.
4. The method for automatically allocating the address of the energy storage system according to claim 3, wherein: in the third step, in the process of automatically allocating the addresses by the LECU and the CECU, the system completes other self-checking programs.
5. An energy storage system with automatic address allocation operates as follows: the method is characterized in that: the method comprises the following steps of automatic CECU address allocation process and automatic LECU address allocation:
an energy storage system with automatic address assignment according to claim 5, operating in such a way that: the method is characterized in that: the CECU address automatic allocation process is as follows: the BAMS outputs a PWM signal with 2% duty ratio, and the first CECU receives the PWM signal with the duty ratio and sets the address of a circuit board of the first CECU to be 1; then outputting a PWM signal with 3% duty ratio, receiving the 3% duty ratio by the second CECU, and setting the address of the circuit board per se to be 2; and by analogy, the other CECUs set the addresses of the CECUs in sequence.
6. An energy storage system with automatic address assignment according to claim 5, operating in such a way that: the method is characterized in that: the LECU address automatic allocation process is as follows: the CECU outputs a PWM signal with 2% duty ratio, and the first LECU receives the PWM signal with the duty ratio and sets the address of a circuit board of the first LECU to be 1; then outputting a PWM signal with 3% duty ratio, receiving the 3% duty ratio by a second LECU, and setting the address of a circuit board of the second LECU to be 2; and by analogy, the rest LECUs set the addresses of the LECUs in sequence.
7. An energy storage system with automatic address allocation according to claim 6 or 7: the method is characterized in that: and in the automatic CECU address distribution process and the automatic LECU address distribution process, the system completes other self-checking programs.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999191A (en) * | 2006-12-28 | 2007-07-18 | 奇瑞汽车有限公司 | Fuel battery power system of mixed power vehicle |
| CN103280854A (en) * | 2013-05-23 | 2013-09-04 | 浙江吉利汽车研究院有限公司杭州分公司 | Charging system and charging method for automobile power battery |
| CN203466613U (en) * | 2013-08-21 | 2014-03-05 | 浙江万向太阳能有限公司 | Household off-network light-storage supplementary electricity generation system compatible with multiple types of energy-storage systems |
| CN104600792A (en) * | 2014-12-31 | 2015-05-06 | 浙江南都电源动力股份有限公司 | Address assignment method for energy storage battery management system |
| CN105186030A (en) * | 2015-08-29 | 2015-12-23 | 北京天航华创科技股份有限公司 | Modular energy-storage lithium battery structure capable of being quickly assembled and disassembled |
| CN206471375U (en) * | 2016-12-28 | 2017-09-05 | 上海航天电源技术有限责任公司 | A kind of high-freedom degree normalized lithium ion battery case of easy-maintaining easy care |
| CN207652063U (en) * | 2017-10-10 | 2018-07-24 | 成都凹克新能源科技有限公司 | A kind of elevator energy recovery system based on intelligent super capacitor module |
| CN108333527A (en) * | 2018-02-06 | 2018-07-27 | 中航锂电技术研究院有限公司 | Battery management system loop interlock and from control address setting method |
-
2019
- 2019-03-28 CN CN201910243490.0A patent/CN110795361A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999191A (en) * | 2006-12-28 | 2007-07-18 | 奇瑞汽车有限公司 | Fuel battery power system of mixed power vehicle |
| CN103280854A (en) * | 2013-05-23 | 2013-09-04 | 浙江吉利汽车研究院有限公司杭州分公司 | Charging system and charging method for automobile power battery |
| CN203466613U (en) * | 2013-08-21 | 2014-03-05 | 浙江万向太阳能有限公司 | Household off-network light-storage supplementary electricity generation system compatible with multiple types of energy-storage systems |
| CN104600792A (en) * | 2014-12-31 | 2015-05-06 | 浙江南都电源动力股份有限公司 | Address assignment method for energy storage battery management system |
| CN105186030A (en) * | 2015-08-29 | 2015-12-23 | 北京天航华创科技股份有限公司 | Modular energy-storage lithium battery structure capable of being quickly assembled and disassembled |
| CN206471375U (en) * | 2016-12-28 | 2017-09-05 | 上海航天电源技术有限责任公司 | A kind of high-freedom degree normalized lithium ion battery case of easy-maintaining easy care |
| CN207652063U (en) * | 2017-10-10 | 2018-07-24 | 成都凹克新能源科技有限公司 | A kind of elevator energy recovery system based on intelligent super capacitor module |
| CN108333527A (en) * | 2018-02-06 | 2018-07-27 | 中航锂电技术研究院有限公司 | Battery management system loop interlock and from control address setting method |
Non-Patent Citations (1)
| Title |
|---|
| 刘姗姗: "动力锂电池组管理系统的研究与设计", 《中国优秀硕士学位论文全文数据库 (工程科技Ⅱ辑)》 * |
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Application publication date: 20200214 |