CN110971618A - Charging method based on charger and battery management system - Google Patents
Charging method based on charger and battery management system Download PDFInfo
- Publication number
- CN110971618A CN110971618A CN201911415122.6A CN201911415122A CN110971618A CN 110971618 A CN110971618 A CN 110971618A CN 201911415122 A CN201911415122 A CN 201911415122A CN 110971618 A CN110971618 A CN 110971618A
- Authority
- CN
- China
- Prior art keywords
- charger
- management system
- battery management
- communication protocol
- information
- 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.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a charging method based on a charger and a battery management system, which relates to the technical field of charging of the charger, and comprises the following steps: acquiring a first communication protocol of a charger and a second communication protocol of a battery management system, and judging whether the communication protocols of the charger and the battery management system are the same; if the communication protocols of the charger and the battery management system are different, performing communication protocol analysis on handshake information between the charger and the battery management system; and converting the analyzed handshaking information between the charger and the battery management system into data information of a unified communication protocol, and then performing handshaking connection to complete charging. When the communication protocols used by the battery management system and the charger are different, the instruction information sent between the battery management system and the charger is firstly analyzed into communication codes, and then is mapped into the instruction information under the corresponding communication protocol according to the format conversion of the respective communication protocol, so that the reading and charging connection of the instruction information are completed.
Description
Technical Field
The invention relates to the technical field of charging of chargers, in particular to a charging method based on a charger and a battery management system.
Background
With the consumption aggravation and pollution problem of the traditional energy sources, the popularization and application of new energy sources are advocated in the world; electric vehicles have become popular in more and more countries and regions as a new energy application form; as a charging device for providing electric power continuation for the electric automobile, the charging pile also appears in the visual field of people in a large number.
The traditional communication protocol between the charger and a Battery Management System (BMS) is a fixed protocol, the traditional communication protocol is encapsulated in a micro control unit of the charger, and the charger can charge the battery only when the charging protocol of the charged BMS is consistent with the encapsulated fixed protocol; however, the communication protocol of the charger and the communication protocol of the BMS in the electric vehicle charging market in China are not unified, so that how to process the non-unified communication protocol is a problem to be solved at the present stage.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a charging method based on a charger and a battery management system, and solves the problem that the charging of an electric automobile is influenced because the communication protocols of the charger and the battery management system are not unified at present.
The purpose of the invention is realized by the following technical scheme: a charging method based on a charger and a battery management system comprises the following steps:
acquiring a first communication protocol of a charger and a second communication protocol of a battery management system, and judging whether the communication protocols of the charger and the battery management system are the same;
if the communication protocols of the charger and the battery management system are different, performing communication protocol analysis on handshake information between the charger and the battery management system;
and converting the analyzed handshaking information between the charger and the battery management system into data information of a unified communication protocol, and then performing handshaking connection to complete charging.
The method further comprises the following steps:
and acquiring a first communication protocol of the charger and a second communication protocol of the battery management system, and judging whether the communication protocols of the charger and the battery management system are the same or not, wherein the charging awakening step is required to be completed before the communication protocols of the charger and the battery management system are the same.
The charging wake-up step comprises:
when the charger detects that a charging control guide circuit at the charger end is connected with a charging control guide circuit at the electric automobile end, awakening signals are respectively sent to a battery management system and a converter;
meanwhile, the electric automobile sends charging parameter information to a controller of the charger.
The charging parameter information comprises input voltage, input current, storage battery type and maximum input power required by charging of the storage battery of the electric automobile.
And after the battery management system and the converter are awakened, the converter is controlled to output the input voltage and the input current required by the storage battery to charge the storage battery.
The communication protocol analysis of the handshaking information between the charger and the battery management system comprises a first communication protocol analysis of the information sent by the charger when the charger sends the information to the battery management system; and when the battery management system sends information to the charger, the information sent by the battery management system is analyzed by a second communication protocol.
When the charger sends information to a battery management system, the first communication protocol analysis of the information sent by the charger comprises the following steps: and reading the format of the first communication protocol of the charger, and analyzing the sent information into first communication protocol analysis information represented by the communication codes according to the format of the first communication protocol.
When the battery management system sends information to the charger, the second communication protocol analysis of the information sent by the battery management system comprises the following steps: and reading the format of a second communication protocol of the battery management system, and analyzing the sent information into first communication protocol analysis information represented by a communication code according to the format of the second communication protocol.
The second communication protocol conversion of the analyzed instruction information sent to the battery management system by the charger comprises the following steps: and acquiring a format of a second communication protocol, and mapping first communication protocol information which is sent to the battery management system by the charger and analyzed into communication codes to represent to second communication protocol information under the second communication protocol according to format conversion of the second communication protocol.
The first communication protocol conversion of the analyzed instruction information sent to the charger by the battery management system comprises: and acquiring a format of a first communication protocol, and mapping second communication protocol information which is sent to the charger by the battery management system and analyzed into communication codes to be represented into first communication protocol information under the first communication protocol according to the format conversion of the first communication protocol.
The invention has the beneficial effects that: when the communication protocols used by the battery management system and the charger are different, the instruction information sent between the battery management system and the charger is firstly analyzed into communication codes, and then the communication codes are mapped into the instruction information under the corresponding communication protocols according to the format conversion of the respective communication protocols, so that the reading and charging connection of the instruction information are completed.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings or orientations or positional relationships that the products of the present invention conventionally use, which are merely for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1, a charging method based on a charger and a battery management system includes:
s1, a charging awakening step, wherein when the charger detects that the charging control guide circuit at the charger end is connected with the charging control guide circuit at the electric vehicle end, awakening signals are respectively sent to the battery management system and the converter;
s2, acquiring a first communication protocol of a charger and a second communication protocol of a battery management system, and judging whether the communication protocols of the charger and the battery management system are the same;
s3, if the communication protocols of the charger and the battery management system are different, performing communication protocol analysis on handshake information between the charger and the battery management system;
and S4, converting the analyzed handshaking information between the charger and the battery management system into data information of a unified communication protocol, and performing handshaking connection to complete charging.
Further, if the communication protocols of the charger and the battery management system are the same, the charging connection can be directly performed to realize the charging of the electric automobile.
Meanwhile, the electric automobile sends charging parameter information to a controller of a charger, wherein the charging parameter information comprises input voltage, input current, storage battery type and maximum input power required by charging of a storage battery of the electric automobile.
And after the battery management system and the converter are awakened, the converter is controlled to output the input voltage and the input current required by the storage battery to charge the storage battery. In this way, the problem of starvation during charging can be prevented.
The communication protocol analysis of the handshaking information between the charger and the battery management system comprises a first communication protocol analysis of the information sent by the charger when the charger sends the information to the battery management system; and when the battery management system sends information to the charger, the information sent by the battery management system is analyzed by a second communication protocol.
When the charger sends information to a battery management system, the first communication protocol analysis of the information sent by the charger comprises the following steps: and reading the format of the first communication protocol of the charger, and analyzing the sent information into first communication protocol analysis information represented by the communication codes according to the format of the first communication protocol.
When the battery management system sends information to the charger, the second communication protocol analysis of the information sent by the battery management system comprises the following steps: and reading the format of a second communication protocol of the battery management system, and analyzing the sent information into first communication protocol analysis information represented by a communication code according to the format of the second communication protocol.
The second communication protocol conversion of the analyzed instruction information sent to the battery management system by the charger comprises the following steps: and acquiring a format of a second communication protocol, and mapping first communication protocol information which is sent to the battery management system by the charger and analyzed into communication codes to represent to second communication protocol information under the second communication protocol according to format conversion of the second communication protocol.
The first communication protocol conversion of the analyzed instruction information sent to the charger by the battery management system comprises: and acquiring a format of a first communication protocol, and mapping second communication protocol information which is sent to the charger by the battery management system and analyzed into communication codes to be represented into first communication protocol information under the first communication protocol according to the format conversion of the first communication protocol.
The instruction information of different communication protocols is analyzed, converted and mapped into instruction information under another communication protocol, conversion and handshake of the instruction information sent by the two different communication protocols are completed, and charging connection is further achieved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A charging method based on a charger and a battery management system is characterized in that: the charging method comprises the following steps:
acquiring a first communication protocol of a charger and a second communication protocol of a battery management system, and judging whether the communication protocols of the charger and the battery management system are the same;
if the communication protocols of the charger and the battery management system are different, performing communication protocol analysis on handshake information between the charger and the battery management system;
and converting the analyzed handshaking information between the charger and the battery management system into data information of a unified communication protocol, and then performing handshaking connection to complete charging.
2. The charging method based on the charger and the battery management system according to claim 1, characterized in that: the method further comprises the following steps:
and acquiring a first communication protocol of the charger and a second communication protocol of the battery management system, and judging whether the communication protocols of the charger and the battery management system are the same or not, wherein the charging awakening step is required to be completed before the communication protocols of the charger and the battery management system are the same.
3. The charging method based on the charger and the battery management system according to claim 2, characterized in that: the charging wake-up step comprises:
when the charger detects that a charging control guide circuit at the charger end is connected with a charging control guide circuit at the electric automobile end, awakening signals are respectively sent to a battery management system and a converter;
meanwhile, the electric automobile sends charging parameter information to a controller of the charger.
4. The charging method based on the charger and the battery management system according to claim 3, characterized in that: the charging parameter information comprises input voltage, input current, storage battery type and maximum input power required by charging of the storage battery of the electric automobile.
5. The charging method based on the charger and the battery management system according to claim 4, characterized in that: and after the battery management system and the converter are awakened, the converter is controlled to output the input voltage and the input current required by the storage battery to charge the storage battery.
6. The charging method based on the charger and the battery management system according to claim 1, characterized in that: the communication protocol analysis of the handshaking information between the charger and the battery management system comprises a first communication protocol analysis of the information sent by the charger when the charger sends the information to the battery management system; and when the battery management system sends information to the charger, the information sent by the battery management system is analyzed by a second communication protocol.
7. The charging method based on the charger and the battery management system according to claim 6, characterized in that: when the charger sends information to a battery management system, the first communication protocol analysis of the information sent by the charger comprises the following steps: and reading the format of the first communication protocol of the charger, and analyzing the sent information into first communication protocol analysis information represented by the communication codes according to the format of the first communication protocol.
8. The charging method based on the charger and the battery management system according to claim 6, characterized in that: when the battery management system sends information to the charger, the second communication protocol analysis of the information sent by the battery management system comprises the following steps: and reading the format of a second communication protocol of the battery management system, and analyzing the sent information into first communication protocol analysis information represented by a communication code according to the format of the second communication protocol.
9. The charging method based on the charger and the battery management system according to claim 7, characterized in that: the second communication protocol conversion of the analyzed instruction information sent to the battery management system by the charger comprises the following steps: and acquiring a format of a second communication protocol, and mapping first communication protocol information which is sent to the battery management system by the charger and analyzed into communication codes to represent to second communication protocol information under the second communication protocol according to format conversion of the second communication protocol.
10. The charging method based on the charger and the battery management system according to claim 8, characterized in that: the first communication protocol conversion of the analyzed instruction information sent to the charger by the battery management system comprises: and acquiring a format of a first communication protocol, and mapping second communication protocol information which is sent to the charger by the battery management system and analyzed into communication codes to be represented into first communication protocol information under the first communication protocol according to the format conversion of the first communication protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415122.6A CN110971618A (en) | 2019-12-31 | 2019-12-31 | Charging method based on charger and battery management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415122.6A CN110971618A (en) | 2019-12-31 | 2019-12-31 | Charging method based on charger and battery management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110971618A true CN110971618A (en) | 2020-04-07 |
Family
ID=70037694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911415122.6A Pending CN110971618A (en) | 2019-12-31 | 2019-12-31 | Charging method based on charger and battery management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110971618A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103259299A (en) * | 2012-02-20 | 2013-08-21 | 伊顿公司 | Multi-standard compatible charger |
| US20130214737A1 (en) * | 2012-02-20 | 2013-08-22 | Eaton Corporation | Data transmission device and method between charger and electric vehicle |
| CN104578291A (en) * | 2014-12-30 | 2015-04-29 | 智慧城市系统服务（中国）有限公司 | Charging method and device for electric vehicle |
| US20150224890A1 (en) * | 2014-02-11 | 2015-08-13 | Hyundai Motor Company | Connector converter and vehicle charging system and method using the same |
| CN106340916A (en) * | 2016-09-05 | 2017-01-18 | 北京新能源汽车股份有限公司 | Automobile charging method, charging device, charging system and automobile |
| KR20190012079A (en) * | 2017-07-26 | 2019-02-08 | 한전케이디엔주식회사 | Electric vehicle charging infrastructure system using data distribution service |
| CN109466365A (en) * | 2018-10-23 | 2019-03-15 | 上海创造软件系统有限公司 | A kind of charging conversion method, device, system, computer equipment and storage medium |
-
2019
- 2019-12-31 CN CN201911415122.6A patent/CN110971618A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103259299A (en) * | 2012-02-20 | 2013-08-21 | 伊顿公司 | Multi-standard compatible charger |
| US20130214737A1 (en) * | 2012-02-20 | 2013-08-22 | Eaton Corporation | Data transmission device and method between charger and electric vehicle |
| US20150224890A1 (en) * | 2014-02-11 | 2015-08-13 | Hyundai Motor Company | Connector converter and vehicle charging system and method using the same |
| CN104578291A (en) * | 2014-12-30 | 2015-04-29 | 智慧城市系统服务（中国）有限公司 | Charging method and device for electric vehicle |
| CN106340916A (en) * | 2016-09-05 | 2017-01-18 | 北京新能源汽车股份有限公司 | Automobile charging method, charging device, charging system and automobile |
| KR20190012079A (en) * | 2017-07-26 | 2019-02-08 | 한전케이디엔주식회사 | Electric vehicle charging infrastructure system using data distribution service |
| CN109466365A (en) * | 2018-10-23 | 2019-03-15 | 上海创造软件系统有限公司 | A kind of charging conversion method, device, system, computer equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2022262583A1 (en) | Battery state of health calculation method and related device | |
| CN109466365A (en) | A kind of charging conversion method, device, system, computer equipment and storage medium | |
| US11114866B2 (en) | Energy system for a motor vehicle and method for charging an electrical energy storage device | |
| CN101599654A (en) | A kind of charging system for electric automobile | |
| CN104701583A (en) | Battery charging method based on USB interface, adapter, electric equipment and system | |
| EP3761477A1 (en) | Charger and charging method | |
| CN106208243A (en) | The charge observation method and system of electric automobile | |
| CN105846479A (en) | Exchange battery pack for electric car, and control method for exchange battery pack | |
| CN106828133A (en) | Charge protocol modular converter and the charging system using the module | |
| CN106383508A (en) | Electric automobile battery management system slave control module and test system thereof | |
| CN110525266A (en) | A kind of control system, method and electronic equipment improving battery output efficiency | |
| CN203391640U (en) | Whole bicycle electric control system used for electric bicycle | |
| CN112014673B (en) | DC charging pile detection equipment and method | |
| CN110971618A (en) | Charging method based on charger and battery management system | |
| US20210170900A1 (en) | Charging system, vehicle, charging method, and control device | |
| CN214647709U (en) | Range extending system of electric automobile | |
| CN115042657A (en) | Device, system and method for collecting vehicle charging parameters | |
| CN106405275A (en) | Test system and method for slave-control module of battery management system of electromobile | |
| CN216250860U (en) | Intelligent lithium battery of electric tricycle | |
| CN219179807U (en) | Charging pile with whole vehicle software updating and diagnosis functions | |
| CN114851873A (en) | Electric equipment based on charging pile charging | |
| CN210380877U (en) | Communication interface circuit, inverter, energy storage battery and battery management system | |
| CN202480903U (en) | Integrated controller for pure electric vehicle | |
| CN201359688Y (en) | Electric vehicle power supply CAN bus interface device | |
| CN204928205U (en) | Direct current stake of charging based on automatic identification |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200407 |
|
| RJ01 | Rejection of invention patent application after publication |