CN112265470B - Battery management system and management method thereof - Google Patents
Battery management system and management method thereof Download PDFInfo
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- CN112265470B CN112265470B CN202010998378.0A CN202010998378A CN112265470B CN 112265470 B CN112265470 B CN 112265470B CN 202010998378 A CN202010998378 A CN 202010998378A CN 112265470 B CN112265470 B CN 112265470B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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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
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
A battery management system and a management method thereof, a unit operating on a receiver of the control signal, comprising: the device comprises a determination unit and a coordination prompting unit; the identification unit is used for identifying whether the control signal is transmitted by a transmitter of the real-time processing control signal which can be coordinated; the coordination prompting unit is used for transmitting a hysteresis signal to a transmitting party of the control signal when a receiving party of the control signal processes the control signal transmitted by the control signal transmitting device in real time, wherein the receiving party of the control signal can not coordinate the control signal, and the hysteresis signal is used for controlling the bandwidth of the transmission of the control signal by the transmitting party of the control signal so as to enable the receiving party of the control signal to coordinate the control signal transmitted by the transmitting party of the real-time processing control signal. The defects that in the prior art, a receiver of the control signal cannot process the control signal transmitted by a transmitter of the control signal in real time in a coordinated manner, and the processing efficiency is poor are effectively overcome.
Description
Technical Field
The invention relates to the technical field of battery management, in particular to a battery management system and a management method thereof.
Background
The battery management system is a set of control system for protecting the use safety of the power battery, constantly monitors the use state of the battery, relieves the inconsistency of the battery pack through necessary measures, and provides guarantee for the use safety of the battery using equipment. The electric vehicle uses a battery as a power source, needs to use a large number of power batteries, and a BMS battery management system is an apparatus for managing the state and performance of the power batteries. The BMS battery management system is a link between the battery and the user, the performance of the battery is complicated, and different types of batteries have widely different characteristics. The BMS management system is mainly to improve the utilization rate of a battery, prevent overcharge and overdischarge of the battery, extend the lifespan of the battery, and monitor the state of the battery. The BMS battery management system with the Bluetooth module comprises a BMS battery management host and a BMS battery management slave which are provided with the BMS battery management system and arranged in a power battery box of the electric automobile, wherein the Bluetooth module of the BMS battery management slave is respectively in wireless connection with the Bluetooth module of the BMS battery management host; the BMS battery management slave and the BMS battery management host realize wireless communication through Bluetooth pairing of the Bluetooth modules, the BMS battery management slave sends parameters such as various states and performances of the battery modules under control to the BMS battery management host through the Bluetooth modules of the BMS battery management slave, the BMS battery management host receives the parameters of the battery modules through the Bluetooth modules of the BMS battery management slave and then sends response signals back to the BMS battery management slave, namely control signals can be interacted between the Bluetooth modules of the BMS battery management slave and the BMS battery management host, the Bluetooth modules of the BMS battery management slave and the Bluetooth modules of the BMS battery management host can interact with each other to control signals, and now, when the Bluetooth modules of the BMS battery management slave and the Bluetooth modules of the BMS battery management host carry out control signal transmission, the bandwidth of the control signals transmitted by the Bluetooth modules is often larger than the bandwidth of the control signals received by the Bluetooth modules of the control signals, therefore, the receiver of the control signal cannot process the control signal transmitted by the transmitter of the control signal in real time in a coordinated manner, and the processing efficiency is poor.
Disclosure of Invention
In order to solve the above problems, the present invention provides a battery management system and a management method thereof, which effectively avoid the defects that in the prior art, a receiver of a control signal of a BMS with a bluetooth module cannot coordinate to process the control signal transmitted by a transmitter of the control signal in real time, and the processing efficiency is poor.
In order to overcome the defects in the prior art, the invention provides a solution for a battery management system and a management method thereof, which comprises the following specific steps:
a battery management system, comprising:
the battery management system comprises a BMS battery management host and a BMS battery management slave which are provided with a Bluetooth module BMS battery management system and arranged in a power battery box of the electric automobile, wherein the Bluetooth module of the BMS battery management slave is respectively wirelessly connected with the Bluetooth module of the BMS battery management host; the BMS battery management slave machine and the BMS battery management host machine realize wireless communication through Bluetooth pairing of the Bluetooth modules, the BMS battery management slave machine sends parameters such as various states and performances of the battery modules under control to the BMS battery management host machine through the Bluetooth modules of the BMS battery management slave machine, the BMS battery management host machine receives the parameters of the battery modules through the Bluetooth modules of the BMS battery management slave machine and then sends response signals back to the BMS battery management slave machine, namely control signals can be interacted between the Bluetooth modules of the BMS battery management slave machine and the Bluetooth modules of the BMS battery management host machine;
the Bluetooth module of the BMS battery management slave is a transmission party of the control signal, and the Bluetooth module of the BMS battery management master is a receiving party of the control signal; the Bluetooth module of the BMS battery management host transmits control signals to the Bluetooth module of the BMS battery management slave, the Bluetooth module of the BMS battery management host is the transmission party of the control signals, and the Bluetooth module of the BMS battery management slave is the receiving party of the control signals;
a unit operating on a recipient of the control signals, comprising:
the device comprises a determination unit and a coordination prompting unit;
the identification unit is used for identifying whether the control signal is transmitted by a transmitter of the real-time processing control signal which can be coordinated;
the coordination prompting unit is used for transmitting a hysteresis signal to a transmitting party of the control signal when a receiving party of the control signal processes the control signal transmitted by the control signal transmitting device in real time, wherein the receiving party of the control signal can not coordinate the control signal, and the hysteresis signal is used for controlling the bandwidth of the transmission of the control signal by the transmitting party of the control signal so as to enable the receiving party of the control signal to process the control signal transmitted by the transmitting party of the control signal in real time.
It should be noted that the unit that operates on the transmission side of the control signal includes:
a prompt receiving unit and a processing unit; the prompt receiving unit is used for receiving a hysteresis signal of a receiving party from the control signal;
the processing unit is used for responding to the hysteresis signal, controlling the transmission party of the control signal to control the bandwidth of signal transmission, and enabling the control signal receiving device to process the control signal transmitted by the control signal transmission device in real time in a coordinated manner.
The treatment unit includes:
an arithmetic unit and an execution unit;
the arithmetic unit is used for calculating the time length between the crystal oscillator signal when the control signal receiving device receives the control signal and the crystal oscillator signal when the control signal transmitting device transmits the control signal, and setting the time length as the preset time length to be transmitted to the execution unit;
the execution unit is used for dividing the control signal to be transmitted by the transmitting party of the control signal into a plurality of signal sub-blocks, and if the receiving party of the control signal cannot coordinate to process the currently transmitted signal sub-block of the transmitting party of the control signal in real time, the transmitting party of the control signal transmits the next signal sub-block after a preset time length.
A management method of a battery management system comprises that a receiving and transmitting party of a control signal transmits the control signal to a receiving and transmitting party of the control signal;
the method for transmitting the control signal by the control signal receiving and transmitting party to the control signal receiving and transmitting party comprises the following procedures:
step A-1: the receiver of the control signal is determined to be the control signal transmitted by the transmitter of the real-time processing control signal which can not be coordinated.
It should be noted that the receiver of the control signal determines whether the received signal crystal oscillator signal and the transmission signal crystal oscillator signal of the transmitter of the control signal are coordinated by comparison, and the real-time processing is possible, specifically including: when transmitting the control signal, the transmitting side of the control signal transmits the control signal bit by bit under the oscillation of the crystal oscillator of the transmitting side; when receiving the control signal, the receiver of the control signal samples the control signal bit by bit under the oscillation of the crystal oscillator of the receiver; if the time length value of the interval between the crystal oscillator signal when the receiving party of the control signal receives the control signal and the crystal oscillator signal when the transmitting party of the control signal transmits the control signal is in a critical number range, the coordinated real-time processing is determined.
Step A-2: if the control signal transmitted by the transmitter of the real-time processing control signal can not be coordinated, the receiver of the control signal responds to the delayed signal to the transmitter of the control signal, and the transmitter of the control signal controls the bandwidth transmitted by the control signal to ensure that the receiver of the control signal can coordinate the control signal transmitted by the transmitter of the real-time processing control signal.
It should be noted that, the transmitting party of the control signal divides the control signal to be transmitted into a plurality of signal sub-blocks, if the receiving party of the control signal can not process the currently transmitted signal sub-block of the transmitting party of the control signal in real time in a coordinated manner, the transmitting party of the control signal delays a preset time length to transmit the next signal sub-block; or, the control signal transmitter divides the control signal to be transmitted into a plurality of signal sub-blocks, and if the receiver of the control signal cannot process the currently transmitted signal sub-block of the transmission side of the control signal in real time in a coordinated manner, the transmission side control signal of the control signal is delayed by a preset time length to transmit the next signal sub-block.
The preset time length is the time length of the interval between the crystal oscillator signal of the receiving party of the control signal receiving signal and the crystal oscillator signal of the transmitting party of the control signal transmitting signal.
The invention has the beneficial effects that:
the invention can respond the delay signal to the transmitting party of the control signal when the receiving party of the control signal can not process the control signal transmitted by the transmitting party of the control signal in real time, and the transmitting party of the control signal controls the bandwidth of the transmission of the control signal, thereby the receiving party of the control signal can process the control signal transmitted by the transmitting party of the control signal in real time.
Drawings
Fig. 1 is a flowchart of a management method of a battery management system of the present invention.
Fig. 2 is a structural diagram of a battery management system of the present invention.
Detailed Description
The invention will be further described with reference to the following figures and examples.
As shown in fig. 1 and 2, the battery management system includes:
the battery management system comprises a BMS battery management host and a BMS battery management slave which are provided with a Bluetooth module BMS battery management system and arranged in an electric automobile power battery box, wherein single battery modules are arranged in the electric automobile power battery box, a plurality of single battery modules are connected in series or in parallel to form a battery pack, the BMS battery management slave is arranged on the single battery modules in a one-to-one correspondence manner, the BMS battery management host and the BMS battery management slave are both provided with Bluetooth modules, the Bluetooth modules of the BMS battery management slave are respectively wirelessly connected with the Bluetooth modules of the BMS battery management host, and the BMS battery management host is further connected with the whole automobile control system of the electric automobile; the BMS battery management host is used as a base station, the BMS battery management slave is used as an information station, wireless communication is realized between the BMS battery management slave and the BMS battery management host through Bluetooth pairing of the Bluetooth modules, the BMS battery management slave sends parameters of various states and performances of the battery modules under control to the BMS battery management host through the Bluetooth modules of the BMS battery management slave, the BMS battery management host receives the parameters of the battery modules through the Bluetooth modules of the BMS battery management slave and then sends response signals back to the BMS battery management slave and transmits the response signals to the whole electric vehicle control system to realize the management of the power battery, namely control signals can be interacted between the Bluetooth modules of the BMS battery management slave and the Bluetooth modules of the BMS battery management host;
the Bluetooth module of the BMS battery management slave is a transmitter of the control signal, and the Bluetooth module of the BMS battery management master is a receiver of the control signal; the Bluetooth module of the BMS battery management host transmits a response signal serving as a control signal to the Bluetooth module of the BMS battery management slave, the Bluetooth module of the BMS battery management host is a transmission party of the control signal, and the Bluetooth module of the BMS battery management slave is a receiving party of the control signal;
a unit operating on a recipient of the control signals, comprising:
the device comprises a determination unit and a coordination prompting unit;
the identification unit is used for identifying whether the control signal is transmitted by a transmitter of the real-time processing control signal which can be coordinated;
the coordination prompting unit is used for transmitting a hysteresis signal to a transmitting party of the control signal when a receiving party of the control signal processes the control signal transmitted by the control signal transmitting device in real time, wherein the receiving party of the control signal can not coordinate the control signal, and the hysteresis signal is used for controlling the bandwidth of the transmission of the control signal by the transmitting party of the control signal so as to enable the receiving party of the control signal to process the control signal transmitted by the transmitting party of the control signal in real time.
It should be noted that the unit that operates on the transmission side of the control signal includes:
a prompt receiving unit and a processing unit; the prompt receiving unit is used for receiving a hysteresis signal of a receiving party from the control signal;
the processing unit is used for responding to the hysteresis signal, controlling the transmission party of the control signal to control the bandwidth of signal transmission, and enabling the control signal receiving device to process the control signal transmitted by the control signal transmission device in real time in a coordinated manner.
The treatment unit includes:
an arithmetic unit and an execution unit;
the arithmetic unit is used for calculating the time length between the crystal oscillator signal when the control signal receiving device receives the control signal and the crystal oscillator signal when the control signal transmitting device transmits the control signal, and setting the time length as the preset time length to be transmitted to the execution unit;
the execution unit is used for dividing the control signal to be transmitted by the transmitting party of the control signal into a plurality of signal sub-blocks, and if the receiving party of the control signal cannot coordinate to process the currently transmitted signal sub-block of the transmitting party of the control signal in real time, the transmitting party of the control signal transmits the next signal sub-block after a preset time length.
Therefore, when the receiver of the control signal can not process the control signal transmitted by the transmitter of the control signal in real time in a coordinated manner, the receiver of the control signal responds to the transmitting party of the control signal by the hysteresis signal, and the transmitting party of the control signal controls the transmission bandwidth of the control signal, so that the receiver of the control signal can process the control signal transmitted by the transmitting party of the control signal in a coordinated manner in real time.
A management method of a battery management system comprises that a receiving and transmitting party of a control signal transmits the control signal to a receiving and transmitting party of the control signal;
the method for transmitting the control signal by the control signal receiving and transmitting party to the control signal receiving and transmitting party comprises the following procedures:
step A-1: the receiver of the control signal is determined to be the control signal transmitted by the transmitter of the real-time processing control signal which can not be coordinated.
It should be noted that the receiver of the control signal determines whether the received signal crystal oscillator signal and the transmission signal crystal oscillator signal of the transmitter of the control signal are coordinated by comparison, and the real-time processing is possible, specifically including: during the process of using materials to experience the control signal transmission, the control signal is generally transmitted in a mode of pulse square wave for bit stream; the continuous waveform control signal is transmitted periodically, and the crystal oscillator of a transmitting party and the crystal oscillator of a receiving party can be applied; when transmitting the control signal, the transmitting side of the control signal transmits the control signal bit by bit under the oscillation of the crystal oscillator of the transmitting side; when receiving the control signal, the receiver of the control signal samples the control signal bit by bit under the oscillation of the crystal oscillator of the receiver; if the time length value of the interval between the crystal oscillator signal when the receiving party of the control signal receives the control signal and the crystal oscillator signal when the transmitting party of the control signal transmits the control signal is in a critical number range, the coordinated real-time processing is determined. The category of the critical number can be the duration of the afterglow effect, where the critical number is set to 100 milliseconds, but can of course also be set to another value, where the critical number is not bound.
Step A-2: if the control signal transmitted by the transmitter of the real-time processing control signal can not be coordinated, the receiver of the control signal responds to the delayed signal to the transmitter of the control signal, and the transmitter of the control signal controls the bandwidth transmitted by the control signal to ensure that the receiver of the control signal can coordinate the control signal transmitted by the transmitter of the real-time processing control signal.
It should be noted that, the transmitting party of the control signal divides the control signal to be transmitted into a plurality of signal sub-blocks, if the receiving party of the control signal can not process the currently transmitted signal sub-block of the transmitting party of the control signal in real time in a coordinated manner, the transmitting party of the control signal delays a preset time length to transmit the next signal sub-block; or, the control signal transmitter divides the control signal to be transmitted into a plurality of signal sub-blocks, and if the receiver of the control signal cannot process the currently transmitted signal sub-block of the transmission side of the control signal in real time in a coordinated manner, the transmission side control signal of the control signal is delayed by a preset time length to transmit the next signal sub-block.
The preset time length is the time length of the interval between the crystal oscillator signal of the receiving party of the control signal receiving signal and the crystal oscillator signal of the transmitting party of the control signal transmitting signal.
It should be noted that, if the interval time between the crystal oscillator signal when the receiving side of the control signal receives the control signal and the crystal oscillator signal when the transmitting side of the control signal transmits the control signal is 600 milliseconds, which is greater than the critical number range of 100 milliseconds, that is, greater than the afterglow effect time, that is, the uncoordinated state of the receiving side of the control signal and the transmitting side of the control signal can be visually perceived; the receiver of the control signal transmits a prompt signal in an uncoordinated state, and also transmits a delay signal to the transmitter of the control signal, and the transmitter of the control signal transmits the next signal sub-block 600ms after the transmission.
Thus, the invention can respond the delay signal to the transmitting side of the control signal when the receiving side of the control signal can not process the control signal transmitted by the transmitting side of the control signal in real time, and the transmitting side of the control signal controls the bandwidth of the transmission of the control signal, thereby the receiving side of the control signal can process the control signal transmitted by the transmitting side of the control signal in real time.
The present invention has been described in an illustrative manner by the embodiments, and it should be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, but is capable of various changes, modifications and substitutions without departing from the scope of the present invention.
Claims (7)
1. A battery management system, comprising:
the battery management system comprises a BMS battery management host and a BMS battery management slave which are provided with a Bluetooth module BMS battery management system and arranged in a power battery box of the electric automobile, wherein the Bluetooth module of the BMS battery management slave is respectively wirelessly connected with the Bluetooth module of the BMS battery management host; the BMS battery management slave machine and the BMS battery management host machine realize wireless communication through Bluetooth pairing of the Bluetooth modules, the BMS battery management slave machine sends various states and performance parameters of the battery modules under control to the BMS battery management host machine through the Bluetooth modules of the BMS battery management slave machine, and the BMS battery management host machine receives the parameters of the battery modules through the Bluetooth modules of the BMS battery management slave machine and then sends back response signals to the BMS battery management slave machine, namely control signals can be interacted between the Bluetooth modules of the BMS battery management slave machine and the Bluetooth modules of the BMS battery management host machine;
the Bluetooth module of the BMS battery management slave is a transmission party of the control signal, and the Bluetooth module of the BMS battery management master is a receiving party of the control signal; the Bluetooth module of the BMS battery management host transmits control signals to the Bluetooth module of the BMS battery management slave, the Bluetooth module of the BMS battery management host is the transmission party of the control signals, and the Bluetooth module of the BMS battery management slave is the receiving party of the control signals;
a unit operating on a recipient of the control signals, comprising:
the device comprises a determination unit and a coordination prompting unit;
the identification unit is used for identifying whether the control signal is transmitted by a transmitter of the real-time processing control signal which can be coordinated;
the coordination prompting unit is used for transmitting a hysteresis signal to a transmitting party of the control signal when the receiving party of the control signal can not coordinate to process the control signal transmitted by the control signal transmitting device in real time, and the hysteresis signal is used for enabling the transmitting party of the control signal to control the bandwidth of the transmission of the control signal so as to enable the receiving party of the control signal to coordinate to process the control signal transmitted by the transmitting party of the control signal in real time.
2. The battery management system according to claim 1, wherein the unit that operates on the transmission side of the control signal comprises:
a prompt receiving unit and a processing unit; the prompt receiving unit is used for receiving a hysteresis signal of a receiving party from the control signal;
the processing unit is used for responding to the hysteresis signal, controlling the transmission party of the control signal to control the bandwidth of signal transmission, and enabling the control signal receiving device to process the control signal transmitted by the control signal transmission device in real time in a coordinated manner.
3. The battery management system of claim 2, wherein the handling unit comprises:
an arithmetic unit and an execution unit;
the arithmetic unit is used for calculating the time length between the crystal oscillator signal when the control signal receiving device receives the control signal and the crystal oscillator signal when the control signal transmitting device transmits the control signal, and setting the time length as the preset time length to be transmitted to the execution unit;
the execution unit is used for dividing the control signal to be transmitted by the transmitting party of the control signal into a plurality of signal sub-blocks, and if the receiving party of the control signal cannot coordinate to process the currently transmitted signal sub-block of the transmitting party of the control signal in real time, the transmitting party of the control signal transmits the next signal sub-block after a preset time length.
4. A management method of a battery management system, applied to the battery management system according to any one of claims 1 to 3, comprising a control signal transmitting/receiving party of the control signal to/from a control signal receiving/transmitting party;
the method for transmitting the control signal by the control signal receiving and transmitting party to the control signal receiving and transmitting party comprises the following procedures:
step A-1: the receiver of the control signal determines whether the control signal is the control signal transmitted by the transmitter capable of processing the control signal in real time in a coordinated manner;
step A-2: if the control signal transmitted by the transmitter of the real-time processing control signal can not be coordinated, the receiver of the control signal responds to the delayed signal to the transmitter of the control signal, and the transmitter of the control signal controls the bandwidth transmitted by the control signal to ensure that the receiver of the control signal can coordinate the control signal transmitted by the transmitter of the real-time processing control signal.
5. The management method of the battery management system according to claim 4, wherein the receiver of the control signal recognizes whether the received crystal oscillator signal and the transmission crystal oscillator signal of the transmission signal of the transmitter of the control signal are coordinated to be processed in real time by comparing, and specifically comprises: when transmitting the control signal, the transmitting side of the control signal transmits the control signal bit by bit under the oscillation of the crystal oscillator of the transmitting side; when receiving the control signal, the receiver of the control signal samples the control signal bit by bit under the oscillation of the crystal oscillator of the receiver; if the time length value of the interval between the crystal oscillator signal when the receiving party of the control signal receives the control signal and the crystal oscillator signal when the transmitting party of the control signal transmits the control signal is in a critical number range, the coordinated real-time processing is determined.
6. The management method of battery management system according to claim 4, wherein the transmitter of the control signal divides the control signal to be transmitted into a plurality of signal sub-blocks, and if the receiver of the control signal cannot process the currently transmitted signal sub-block of the transmitter of the control signal in real time in a coordinated manner, the transmitter of the control signal transmits the next signal sub-block after a predetermined time period; or, the control signal transmitter divides the control signal to be transmitted into a plurality of signal sub-blocks, and if the receiver of the control signal cannot process the currently transmitted signal sub-block of the transmission side of the control signal in real time in a coordinated manner, the transmission side control signal of the control signal is delayed by a preset time length to transmit the next signal sub-block.
7. The management method of the battery management system according to claim 6, wherein the predetermined time period is a time period of an interval between a crystal oscillator signal of a reception side of the control signal and a crystal oscillator signal of a transmission side of the control signal.
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| CN103633738A (en) * | 2013-11-25 | 2014-03-12 | 南方电网科学研究院有限责任公司 | Battery monitoring information transmission method of energy storing system |
| CN104849536B (en) * | 2015-06-11 | 2017-12-01 | 中国人民解放军国防科学技术大学 | It is a kind of be applied to can serial lithium battery group protection chip detection circuit |
| CN105280967B (en) * | 2015-09-11 | 2017-07-25 | 浙江超威创元实业有限公司 | Band bluetooth module BMS battery management systems and its control method and electric car |
| CN106788958B (en) * | 2015-11-20 | 2019-12-17 | 北京信威通信技术股份有限公司 | Signal synchronization method and system |
| CN110178281B (en) * | 2017-01-11 | 2023-03-21 | 三洋电机株式会社 | Management device and power storage system |
| CN110958667B (en) * | 2018-09-26 | 2021-05-18 | 华为技术有限公司 | Method, device and system for determining synchronization period |
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