CN116001711A

CN116001711A - Awakening method and device of battery management system and electronic equipment

Info

Publication number: CN116001711A
Application number: CN202310026813.7A
Authority: CN
Inventors: 肖莎; 张慧忠; 张驰; 肖强; 孙聪敏
Original assignee: GAC Aion New Energy Automobile Co Ltd
Current assignee: GAC Aion New Energy Automobile Co Ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-04-25

Abstract

The embodiment of the application provides a wake-up method, a wake-up device, electronic equipment and a storage medium of a battery management system, wherein the method comprises the following steps: obtaining wake-up source information; identifying the awakening source information to obtain the type of the awakening source information; and waking up the battery management system according to the type of the wake-up source information. By implementing the embodiment of the application, the awakening efficiency of the battery management system can be improved, the durability of the battery is improved, the battery management system is convenient to awaken, and the battery is prevented from being in a high-power-consumption state for a long time.

Description

Awakening method and device of battery management system and electronic equipment

Technical Field

The present invention relates to the field of battery management technologies, and in particular, to a wake-up method and device for a battery management system, an electronic device, and a computer storage medium.

Background

The dormancy wakeup method of the battery management system (Battery Management System, BMS) in the prior art only puts forward the dormancy wakeup requirement on the whole vehicle layer. However, the BMS is also an important node on the whole vehicle network as a controller of the new energy vehicle, and if the sleep wake-up function is not done, the power feeding of the whole vehicle storage battery can be directly caused, and other electronic control units (Electronic Control Unit, ECU) of the whole vehicle can also enter an unexpected working state, so that the storage battery is always power-consumed and cannot be charged. Therefore, the sleep wake-up function of the BMS is particularly important in the whole vehicle.

The dormancy wakeup logic in the prior art is imperfect, so that all ECUs of the whole vehicle are extremely likely to be abnormally awakened, and the ECU is in a high-power consumption state for a long time, so that 12V storage battery feed of the whole vehicle is easy to cause. Moreover, the method in the prior art mainly comprises a BMS dormancy awakening circuit, namely, the BMS is awakened in a hardware mode, so that great inconvenience is caused.

Disclosure of Invention

An object of the embodiments of the present application is to provide a wake-up method, device, electronic device and storage medium for a battery management system, which can improve the wake-up efficiency of the battery management system, improve the durability of the battery, facilitate the wake-up of the battery management system, and avoid the battery in a high power consumption state for a long time.

In a first aspect, an embodiment of the present application provides a wake-up method of a battery management system, where the method includes:

obtaining wake-up source information;

identifying the awakening source information to obtain the type of the awakening source information;

and waking up the battery management system according to the type of the wake-up source information.

In the implementation process, the battery management system is awakened in different forms according to the type of the awakening source information, so that the awakening efficiency of the battery management system can be improved, the durability of the battery is improved, the battery management system is convenient to awaken, and the battery is prevented from being in a high-power-consumption state for a long time.

Further, the step of waking up the battery management system according to the type of the wake-up source information includes:

if the type of the awakening source information is a hard wire awakening type, carrying out high-power-consumption state awakening on the battery management system;

and if the type of the awakening source information is a communication network awakening type or a timing awakening type, carrying out dual-state awakening on the battery management system.

In the implementation process, the battery management system is awakened in different modes according to different types of the awakening source information, so that the battery can be adjusted according to the change of the awakening source information, and the utilization rate of the battery can be improved.

Further, if the type of the wake-up source information is a hard-wire wake-up type, the step of waking up the battery management system in a high power consumption state includes:

acquiring a wake-up signal corresponding to the wake-up source information of the hard-wire wake-up type;

and waking up the electronic control unit controller according to the wake-up signal so as to enable the battery management system to keep a high power consumption state.

In the implementation process, if the wake-up source information is of a hard wire wake-up type, the battery management system is waken up in a high power consumption state, so that the battery is kept in the high power consumption state, and the performance and the energy utilization rate of the battery can be improved.

Further, if the type of the wake-up source information is a communication network wake-up type or a timing wake-up type, the step of performing dual-state wake-up on the battery management system includes:

if the type of the awakening source information is a communication network awakening type, acquiring the requirement information of the electronic control unit controller;

releasing a network signal according to the demand information of the electronic control unit controller so as to enable the battery management system to keep a dual state;

if the type of the wake-up source information is a timed wake-up type, battery state information is obtained;

and releasing a network signal according to the battery state information so as to enable the battery management system to maintain a dual state.

In the implementation process, the battery management system is kept in a dual state according to the demand information of the electronic control unit controller, so that the state of the battery management system can be changed according to the demands of hardware equipment, the battery management system can be controlled more reasonably, and the wake-up efficiency is improved.

Further, before the step of identifying the wake-up source information to obtain the type of the wake-up source information, the method further includes:

and if the wake-up source information cannot be acquired, controlling the battery management system to enter a dormant state.

In the implementation process, if the wake-up source information cannot be acquired, the battery management system is controlled to enter the dormant state, so that the working efficiency of the battery management system can be improved.

In a second aspect, an embodiment of the present application further provides a wake-up device of a battery management system, where the device includes:

the acquisition module is used for acquiring wake-up source information;

the identification module is used for identifying the awakening source information to obtain the type of the awakening source information;

and the wake-up module is used for waking up the battery management system according to the type of the wake-up source information.

Further, the wake-up module is further configured to:

In a third aspect, an electronic device provided in an embodiment of the present application includes: a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the method according to any one of the first aspects when the computer program is executed.

In a fourth aspect, embodiments of the present application provide a computer-readable storage medium having stored thereon instructions that, when executed on a computer, cause the computer to perform the method according to any of the first aspects.

In a fifth aspect, embodiments of the present application provide a computer program product, which when run on a computer, causes the computer to perform the method according to any one of the first aspects.

Additional features and advantages of the disclosure will be set forth in the description which follows, or in part will be obvious from the description, or may be learned by practice of the techniques of the disclosure.

And may be practiced in accordance with the disclosure as hereinafter described in detail with reference to the preferred embodiments of the present application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope values, and other related drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a flow chart of a wake-up method of a battery management system according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a wake-up device of a battery management system according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.

The detailed description of the present application is further described in detail below with reference to the drawings and examples. The following examples are illustrative of the present application but are not intended to limit the scope of the values of the present application.

Example 1

Fig. 1 is a flowchart of a wake-up method of a battery management system according to an embodiment of the present application, as shown in fig. 1, where the method includes:

s1, obtaining awakening source information;

s2, identifying the awakening source information to obtain the type of the awakening source information;

s3, waking up the battery management system according to the type of the wake-up source information.

In S1, S2, wake-up source information is detected, and after the wake-up source information is identified, a low-voltage power-on logic branch is performed according to different types of wake-up source information and types.

The BMS dormancy awakening function of the embodiment of the present application mainly provides a low-voltage power-on and power-off method of a main control board for a BMS, wherein input awakening source information includes quick-charging related awakening sources, such as a key awakening source, a timing awakening source, a network awakening source and the like, and different awakening logics are designed through identification of different types of awakening source information.

if the wake-up source information cannot be acquired, the battery management system is controlled to enter a dormant state.

Detecting whether wake-up source information exists, if yes, continuing to operate, and if no, controlling the battery management system to directly enter a dormant state.

Further, S3 includes:

if the type of the wake-up source information is the communication network wake-up type or the timing wake-up type, carrying out dual-state wake-up on the battery management system.

acquiring a wake-up signal corresponding to wake-up source information of a hard wire wake-up type;

and waking up the electronic control unit controller according to the wake-up signal so as to enable the battery management system to maintain a high power consumption state.

If the BMS needs to actively request a network for the hard-wire wake-up types such as charge wake-up, key wake-up and the like, other normal ECU controllers are waken up, and the BMS continues to keep a high-power consumption state;

the identification of the wake-up source type depends on hardware design, and for a wake-up signal input from the outside of the BMS, after the BMS wakes up, whether the wake-up source information exists is confirmed by identifying the level state at the time of wake-up.

if it isThe type of the awakening source information is a communication network awakening type, and the demand information of the electronic control unit controller is obtained;

releasing the network signal according to the demand information of the electronic control unit controller so as to keep the battery management system in a dual state;

the network signal is released according to the battery state information so that the battery management system maintains a dual state.

In the embodiment of the present application, the dual state is a high power consumption state or a sleep state.

If the communication network wake-up type is adopted, the BMS needs to maintain or release the network according to the requirement of the whole vehicle ECU, and then enters a high-power consumption or dormant state; if the battery is of a timed wake-up type or is waken up by the battery sampling chip, the BMS needs to maintain or release the network according to the state of the battery, and then enters a high-power consumption or sleep state.

And for the identification of the BMS timed wake-up source type, acquiring the information of the timed wake-up chip.

Example two

In order to perform a corresponding method of the above embodiment to achieve the corresponding functions and technical effects, a wake-up device of a battery management system is provided below, as shown in fig. 2, where the device includes:

the acquisition module 1 is used for acquiring wake-up source information;

the identification module 2 is used for identifying the awakening source information to obtain the type of the awakening source information;

and the wake-up module 3 is used for waking up the battery management system according to the type of the wake-up source information.

Further, the wake-up module 3 is further configured to:

if the type of the wake-up source information is the communication network wake-up type, obtaining the demand information of the electronic control unit controller;

Further, the device also comprises a control module for:

The wake-up device of the battery management system can implement the method of the first embodiment. The options in the first embodiment described above also apply to this embodiment, and are not described in detail here.

The rest of the embodiments of the present application may refer to the content of the first embodiment, and in this embodiment, no further description is given.

Example III

An embodiment of the present application provides an electronic device, including a memory and a processor, where the memory is configured to store a computer program, and the processor is configured to execute the computer program to cause the electronic device to execute a wake-up method of the battery management system of the first embodiment.

Alternatively, the electronic device may be a server.

Referring to fig. 3, fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application. The electronic device may include a processor 31, a communication interface 32, a memory 33, and at least one communication bus 34. Wherein the communication bus 34 is used to enable direct connection communication of these components. The communication interface 32 of the device in the embodiment of the present application is used for performing signaling or data communication with other node devices. The processor 31 may be an integrated circuit chip with signal processing capabilities.

The processor 31 may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), etc.; but may also be a Digital Signal Processor (DSP), application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present application may be implemented or performed. The general purpose processor may be a microprocessor or the processor 31 may be any conventional processor or the like.

The Memory 33 may be, but is not limited to, random access Memory (Random Access Memory, RAM), read Only Memory (ROM), programmable Read Only Memory (Programmable Read-Only Memory, PROM), erasable Read Only Memory (Erasable Programmable Read-Only Memory, EPROM), electrically erasable Read Only Memory (Electric Erasable Programmable Read-Only Memory, EEPROM), etc. The memory 33 has stored therein computer readable instructions which, when executed by the processor 31, enable the apparatus to perform the various steps described above in relation to the embodiment of the method of fig. 1.

Optionally, the electronic device may further include a storage controller, an input-output unit. The memory 33, the memory controller, the processor 31, the peripheral interface, and the input/output unit are electrically connected directly or indirectly to each other, so as to realize data transmission or interaction. For example, the components may be electrically coupled to each other via one or more communication buses 34. The processor 31 is arranged to execute executable modules stored in the memory 33, such as software functional modules or computer programs comprised by the device.

The input-output unit is used for providing the user with the creation task and creating the starting selectable period or the preset execution time for the task so as to realize the interaction between the user and the server. The input/output unit may be, but is not limited to, a mouse, a keyboard, and the like.

It will be appreciated that the configuration shown in fig. 3 is merely illustrative, and that the electronic device may also include more or fewer components than shown in fig. 3, or have a different configuration than shown in fig. 3. The components shown in fig. 3 may be implemented in hardware, software, or a combination thereof.

In addition, the embodiment of the present application further provides a computer readable storage medium storing a computer program, where the computer program when executed by a processor implements the wake-up method of the battery management system of the first embodiment.

The present application also provides a computer program product which, when run on a computer, causes the computer to perform the method described in the method embodiments.

In the several embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other manners as well. The apparatus embodiments described above are merely illustrative, for example, flow diagrams and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based devices which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

In addition, the functional modules in the embodiments of the present application may be integrated together to form a single part, or each module may exist alone, or two or more modules may be integrated to form a single part.

The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk, etc.

The foregoing is merely exemplary embodiments of the present application and is not intended to limit the scope of the present application, and various modifications and variations may be suggested to one skilled in the art. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application are intended to be included within the scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the scope of the present application, and the changes or substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be defined by the protection scope of the claims.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. A method of waking up a battery management system, the method comprising:

obtaining wake-up source information;

2. The wake-up method of a battery management system according to claim 1, wherein the waking-up the battery management system according to the type of the wake-up source information comprises:

3. The method for waking up a battery management system according to claim 2, wherein if the type of the wake-up source information is a hard-wire wake-up type, the step of waking up the battery management system in a high power consumption state includes:

4. The method for waking up a battery management system according to claim 2, wherein if the type of the wake-up source information is a communication network wake-up type or a timed wake-up type, the step of waking up the battery management system in a dual state comprises:

5. The wake-up method of a battery management system according to claim 1, further comprising, before the step of identifying the wake-up source information to obtain the type of the wake-up source information:

6. A wake-up device for a battery management system, the device comprising:

the acquisition module is used for acquiring wake-up source information;

7. The wake-up device of claim 6, wherein the wake-up module is further configured to:

8. The wake-up device of claim 7, wherein the wake-up module is further configured to:

9. An electronic device comprising a memory for storing a computer program and a processor that runs the computer program to cause the electronic device to perform a wake-up method of a battery management system according to any one of claims 1 to 5.

10. A computer readable storage medium, characterized in that it stores a computer program which, when executed by a processor, implements a wake-up method of a battery management system according to any of claims 1 to 5.