CN115798159A - Battery fault alarm method and device, electronic equipment and storage medium - Google Patents
Battery fault alarm method and device, electronic equipment and storage medium Download PDFInfo
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Abstract
The embodiment of the application discloses a battery fault alarm method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring parameters of a component connected with a storage battery system; wherein the parameters include: the cell temperature, the cell voltage, the box gas pressure, the insulation resistance value, the characteristic gas concentration and the particulate matter concentration; when at least one parameter is out of the corresponding set range, judging whether the battery system is in at least one runaway alarm mode in each runaway alarm mode based on the at least one parameter; when the battery system is in at least one runaway alarm mode, an alert is issued to a user based on each runaway alarm mode. In the embodiment of the application, whether the storage battery system is in at least one out-of-control alarm mode of the out-of-control alarm modes can be judged according to parameters of components connected with the storage battery system. The probability of thermal runaway misinformation is reduced, and the user experience is improved.
Description
Technical Field
The embodiment of the application relates to the field of vehicle safety, in particular to a battery fault alarm method and device, electronic equipment and a storage medium.
Background
With the continuous development of science and technology, people pay more and more attention to the safety of the storage battery of the vehicle. 2020 to improve the safety of vehicle battery systems, the related departments require that "GB 38031-2020 power battery safety requirements" for electric vehicles be implemented beginning at 1 month and 1 year 2021, wherein the subject matter of the safety requirements is that a vehicle battery system should provide a thermal runaway alarm signal to passengers and drivers 5 minutes before a single battery thermal runaway causes diffusion and thus a danger to the passenger compartment, so that the passengers and drivers can know the safety condition of the battery system in time.
Most of the existing alarm methods adopted when the storage battery is in failure alarm thermal runaway according to single signals such as gas pressure signals, temperature signals and the like, and when the signals exceed a certain threshold value, a battery management system sends out a thermal runaway alarm. However, the single-signal alarm method is easy to generate thermal runaway false alarm, and the driving experience of passengers is influenced.
Disclosure of Invention
The application provides a battery fault alarm method, a battery fault alarm device, electronic equipment and a storage medium, which can carry out combinational logic judgment and analysis on a plurality of component parameters of a battery system of a vehicle and carry out alarm in a multi-physical-field signal coupling mode, thereby greatly reducing the probability of thermal runaway misinformation.
In a first aspect, an embodiment of the present application provides a battery failure alarm method, where the method includes:
acquiring parameters of a component connected with a storage battery system; wherein the parameters include: the cell temperature, the cell voltage, the box gas pressure, the insulation resistance, the characteristic gas concentration and the particulate matter concentration;
when at least one parameter is out of the corresponding set range, judging whether the battery system is in at least one runaway alarm mode in each runaway alarm mode based on the at least one parameter;
and when the battery system is in the at least one runaway alarm mode, issuing an alarm to a user based on each runaway alarm mode.
In a second aspect, an embodiment of the present application further provides a battery failure warning device, where the device includes:
the parameter acquisition module is used for acquiring parameters of components connected with the storage battery system; wherein the parameters include: the cell temperature, the cell voltage, the box gas pressure, the insulation resistance value, the characteristic gas concentration and the particulate matter concentration;
the mode judging module is used for judging whether the battery system is in at least one runaway alarm mode in each runaway alarm mode based on at least one parameter when the at least one parameter is out of the corresponding set range;
and the alarm sending module is used for sending an alarm to a user based on each runaway alarm mode when the storage battery system is in the at least one runaway alarm mode.
In a third aspect, an embodiment of the present application further provides an electronic device, where the electronic device includes:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement a battery failure warning method as provided in any of the embodiments of the present application.
In a fourth aspect, embodiments of the present application further provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements a battery failure warning method as provided in any of the embodiments of the present application.
In the embodiment of the application, parameters of a component connected with a storage battery system are obtained; wherein the parameters include: the cell temperature, the cell voltage, the box gas pressure, the insulation resistance, the characteristic gas concentration and the particulate matter concentration; when at least one parameter is out of the corresponding set range, judging whether the battery system is in at least one runaway alarm mode in each runaway alarm mode based on the at least one parameter; when the battery system is in at least one runaway alarm mode, an alert is issued to a user based on each runaway alarm mode. That is, in the embodiment of the present application, the parameters of the multiple components of the battery system of the vehicle may be subjected to combinational logic judgment and analysis according to the parameters of the components connected to the battery system, so as to judge whether the battery system is in at least one of the runaway alarm modes. The probability of thermal runaway misinformation is reduced, and the user experience is improved.
Drawings
Fig. 1 is a first flowchart of a battery failure warning method provided by an embodiment of the present application;
FIG. 2 is a schematic structural view of a battery system and various components according to an embodiment of the present application;
FIG. 3 is a second flowchart of a battery fault warning method provided by an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a battery failure warning device provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures.
Fig. 1 is a first flowchart of a battery failure alarm method provided in an embodiment of the present application, where the method of the present embodiment is capable of performing combinational logic judgment and analysis on parameters of multiple components of a battery system of a vehicle, and performing alarm in a multi-physical-field signal coupling manner, so as to greatly reduce the probability of false alarm of thermal runaway. The method may be performed by the battery failure warning apparatus in the embodiment of the present application, the apparatus may be integrated in an electronic device, the electronic device may be a server, and the method may be implemented in software and/or hardware. The battery fault alarm method provided by the embodiment specifically comprises the following steps:
Wherein the parameters include: cell temperature, cell voltage, box gas pressure, insulation resistance, characteristic gas concentration and particulate matter concentration. The case gas pressure is the pressure of the gas in the battery case, and the insulation resistance is the insulation resistance of the resistor pack of the vehicle. The characteristic gas concentration is a concentration of a dissolved gas that reflects a fault characteristic inside the oil-filled electrical device, and is, for example, a concentration of a gas such as hydrogen, carbon monoxide, or carbon dioxide. The particulate matter concentration is the concentration of particulate matter in the battery case.
In an alternative embodiment, the battery housing includes components for acquiring parameters. Fig. 2 is a schematic structural view of a battery system and respective components according to an embodiment of the present application. As shown in fig. 2, the battery system is located in the battery box and is connected with the assembly 1, the assembly 2, the assembly 3, the assembly 4, and the assembly 5 and the assembly 6. Subassembly 1 is used for gathering electric core voltage, and subassembly 2 is used for gathering electric core temperature, and subassembly 3 is used for gathering box gas pressure, and subassembly 4 is used for gathering insulating resistance, and subassembly 5 is used for gathering characteristic gas concentration, and subassembly 6 is used for gathering particulate matter concentration.
And 102, judging whether the battery system is in at least one runaway alarm mode in each runaway alarm mode based on at least one parameter when the at least one parameter is out of the corresponding set range.
The setting range corresponding to each parameter is preset according to the actual environment and the specific requirements. The runaway alarm mode is a mode in which a vehicle battery is in a thermal runaway state and an alarm is required. In this embodiment, optionally, the runaway alarm mode includes a voltage reference mode, a temperature reference mode and a gas pressure reference mode.
The voltage reference mode is an alarm mode based on the cell voltage. The temperature reference mode is an alarm mode taking the temperature of the battery cell as a reference, and the air pressure reference mode is a reference mode taking the air pressure of the box body as a sharp turn. In this embodiment, optionally, the voltage reference mode includes a voltage temperature mode, a voltage air pressure mode and a voltage insulation resistance mode; the temperature reference mode comprises a temperature air pressure mode, a temperature insulation resistance value mode and a temperature gas concentration mode; the air pressure reference mode comprises an air pressure insulation resistance mode and an air pressure particle concentration mode.
The voltage temperature mode is an alarm mode determined according to the cell temperature on the basis of determining that the cell voltage is abnormal. The voltage air pressure mode is an alarm mode for determining whether the storage battery system is in a thermal runaway state or not according to the box body air pressure on the basis of determining that the cell voltage is abnormal. The voltage insulation resistance value mode is an alarm mode for determining whether the storage battery is in a thermal runaway state or not according to the insulation resistance value on the basis of determining that the cell voltage is abnormal. The temperature and air pressure mode is an alarm mode for determining whether the storage battery is in a thermal runaway state or not according to the box body air pressure on the basis of determining that the cell temperature is abnormal. The temperature insulation resistance value mode is an alarm mode for determining whether the storage battery is in a thermal runaway state or not according to the insulation resistance value on the basis of determining that the temperature of the battery core is abnormal. The temperature gas concentration mode is an alarm mode for determining whether the storage battery is in a thermal runaway state or not according to the characteristic gas concentration on the basis of determining that the cell temperature is abnormal. The air pressure insulation resistance value mode is an alarm mode for determining whether the storage battery is in a thermal runaway state or not according to the insulation resistance value on the basis of determining that the air pressure of the box body is abnormal. The air pressure particulate matter concentration mode is an alarm mode for determining whether the storage battery is in a thermal runaway state or not according to the particulate matter concentration on the basis of determining that the gas pressure of the box body is abnormal.
Specifically, when at least one parameter of the parameters of the components connected to the battery system is outside the corresponding set range, it is determined that there may be an abnormality in the battery system, i.e., the battery may be in at least one runaway alarm mode. For example, when the minimum value of the cell voltage within the predetermined period of time is less than the preset cell voltage, it indicates that the battery system may be in the voltage reference mode. Further, whether the battery system is in a voltage temperature mode or not is determined according to the cell temperature, whether the battery system is in a voltage air pressure mode or not is determined according to the box gas pressure, and whether the battery system is in a voltage insulation resistance value mode or not is determined according to the insulation resistance value.
And 103, when the storage battery system is in at least one runaway alarm mode, giving an alarm to a user based on each runaway alarm mode.
Specifically, when the battery system is in at least one runaway alarm mode, indicating that the battery is in a thermal runaway state, it is necessary to inform users (passengers, drivers, etc.) of the state of the battery system so that the users can evacuate in time. In the embodiment of the scheme, optionally, display content corresponding to at least one out-of-control alarm mode is displayed in a display device of the vehicle, and/or alarm voice corresponding to at least one out-of-control alarm mode is broadcasted through a voice broadcaster of the vehicle.
The display device comprises a vehicle-mounted display instrument, a vehicle-mounted screen and the like. In an optional implementation mode, when the storage battery system is in at least one out-of-control alarm mode, the current state of the storage battery system can be displayed on a vehicle-mounted screen, and meanwhile, corresponding prompt voice can be played in the voice broadcast device to prompt a user. For example, when the storage battery system is in the voltage insulation resistance value mode, a red exclamation mark can be displayed on the vehicle-mounted screen, and the words that the storage battery system is in the voltage insulation resistance value mode and is dangerous are displayed on the vehicle-mounted screen, and meanwhile, the voice broadcaster can synchronously play voices that the storage battery system is in the voltage insulation resistance value mode and is dangerous for users.
According to the scheme of the embodiment of the application, the parameters of the components connected with the storage battery system are obtained; wherein the parameters include: the cell temperature, the cell voltage, the box gas pressure, the insulation resistance, the characteristic gas concentration and the particulate matter concentration; when at least one parameter is out of the corresponding set range, judging whether the battery system is in at least one runaway alarm mode in each runaway alarm mode based on the at least one parameter; when the battery system is in at least one runaway alarm mode, an alarm is issued to a user based on each runaway alarm mode. The scheme of the embodiment can carry out combinational logic judgment and analysis on a plurality of component parameters of the storage battery system of the vehicle according to the parameters of the components connected with the storage battery system, and judge whether the storage battery system is in at least one out-of-control alarm mode of the out-of-control alarm modes. The probability of thermal runaway false alarm is reduced, and the user experience is improved.
Fig. 3 is a second flowchart of a battery failure warning method according to an embodiment of the present application, and as shown in fig. 3, the method mainly includes the following steps:
and 301, acquiring parameters of components connected with the storage battery system.
Wherein the parameters include: cell temperature, cell voltage, box gas pressure, insulation resistance, characteristic gas concentration and particulate matter concentration.
And 302, when the minimum value of the cell voltage is smaller than the preset cell voltage within the preset time, judging whether the battery system is in a voltage reference mode or not based on the cell voltage, the cell temperature, the box gas pressure and the insulation resistance value.
The voltage reference mode is an alarm mode based on the cell voltage. The voltage reference mode includes a voltage temperature mode, a voltage air pressure mode and a voltage insulation resistance mode. In an optional embodiment, when the minimum value of the cell voltage is smaller than the preset cell voltage within the predetermined time period, the cell temperature, the gas pressure of the case, and the insulation resistance value are obtained to further determine whether the battery system is in a voltage temperature mode, a voltage gas pressure mode, or a voltage insulation resistance value mode.
In particular, with V min Represents the minimum value of the cell voltage, V, in a predetermined period of time 0 And representing the preset cell voltage. By T max Maximum value of cell temperature, T, within a predetermined time period 0 Indicating the preset cell temperature by d T /d t The rate of temperature rise of the cell temperature within a predetermined time is represented by d T0 The preset temperature rise rate of the cell temperature is represented by T min Indicating a predetermined period of timeMinimum value of inner cell temperature, by Δ T 0 The temperature difference of the preset cell temperature is represented. Then it is determined that the battery system is in the voltage temperature mode when at least one of the following 3 conditions is met for a predetermined period of time: 1) V min ＜V 0 And T max ＞T 0 ；2)V min ＜V 0 And d is T /d t ＞d T0 ；3)V min ＜V 0 And T max -T min ＞△T 0 。
The gas pressure of the tank in the predetermined market is denoted by P 0 Indicating the gas pressure in the pre-set tank by d P /d t Indicating the rate of rise of the gas pressure in the tank over a predetermined period of time, using d P0 Indicating the rate of rise of the preset tank gas pressure. Then it is determined that the battery system is in the voltage-gas pressure mode when at least one of the following 2 conditions is satisfied for a predetermined period of time: 1) V min ＜V 0 And P > P 0 ；2)V min ＜V 0 And d is P /d t ＞d P0 。
The insulation resistance value in a predetermined period of time is represented by R 0 Representing a predetermined insulation resistance value by R -1 Indicating the average insulation resistance value over the last predetermined period of time. Then it is determined that the battery system is in the voltage insulation resistance mode when at least one of the following 2 conditions is satisfied within a predetermined period of time: 1) V min ＜V 0 And R < R 0 ；2)V min < V0 and R<R -1 *70％。
The temperature reference mode is an alarm mode taking the cell temperature as a reference. The temperature reference mode comprises a temperature air pressure mode, a temperature insulation resistance value mode and a temperature gas concentration mode. In an optional embodiment, when the cell temperature is abnormal within a predetermined time period, the cell temperature, the box gas pressure and the insulation resistance value are obtained to further determine whether the battery system is in a temperature-gas pressure mode, a temperature-insulation resistance value mode or a temperature-gas concentration mode.
Specifically, it is determined that the battery system is in the temperature-air pressure mode when at least one of the following 6 conditions is satisfied within a predetermined period of time: 1) T is a unit of max ＞T 0 And P > P 0 ；2)d T /d t ＞d T0 And P > P 0 ；3)T max -T min ＞△T 0 And P > P 0 ；4)T max ＞T 0 And d is P /d t ＞dP 0 ；5)d T /d t ＞d T0 And d is P /d t ＞d P0 ；6)T max -T min ＞△T 0 And d is P /d t ＞d P0 。
And determining that the battery system is in a temperature insulation resistance value mode when at least one of the following 6 conditions is met within a preset time period: 1) T is max ＞T 0 And R < R 0 ；2)d T /d t ＞d T0 And R < R 0 ；3)T max -T min ＞△T 0 And R < R 0 ；4)T max ＞T 0 And R is<R -1 *70％；5)d T /d t ＞d T0 And R is<R -1 *70％；6)T max -T min ＞△T 0 And R is<R -1 *70％。
Using E to represent the characteristic gas concentration in the preset time length, using E 0 Representing a preset characteristic gas concentration. Determining that the battery system is in the temperature gas concentration mode when at least one of the following 2 conditions is satisfied for a predetermined period of time: 1) T is max ＞T 0 And E > E 0 ；2)d T /d t ＞d T0 And E > E 0 。
And step 304, when the gas pressure is greater than the preset pressure threshold value or the pressure rising rate is greater than the preset pressure rising rate within the preset time period, determining whether the battery system is in a gas pressure reference mode or not based on the box gas pressure, the insulation resistance value and the particulate matter concentration.
The air pressure reference mode is an alarm mode taking the air pressure of the box body as a reference. The air pressure reference mode comprises an air pressure insulation resistance mode and an air pressure particle concentration mode. In an optional implementation mode, when the gas pressure of the box body is abnormal within a preset time period, the gas pressure of the box body, the insulation resistance value and the particulate matter concentration are obtained, and whether the storage battery system is in a gas pressure insulation resistance value mode or a gas pressure particulate matter concentration mode is further judged.
Specifically, it is determined that the battery system is in the gas pressure insulation resistance value mode when at least one of the following 4 conditions is satisfied within a predetermined period of time: 1) P > P 0 And R < R 0 ；2)P＞P 0 And R is<R -1 *70％；3)d P /d t ＞d P And R < R 0 ；4)d P /d t ＞d P And R is<R -1 *70％。
The concentration of particulate matter in a predetermined period of time is represented by N 0 Representing a predetermined particulate matter concentration. Determining that the battery system is in the barometric pressure particulate matter concentration mode when at least one of the following 2 conditions is satisfied for the predetermined period of time: 1) P > P 0 And N > N 0 ；2)d P /d t ＞d P And N > N 0 。
According to the battery fault alarm method provided by the embodiment of the application, the parameters of the components connected with the storage battery system can be obtained; wherein the parameters include: cell temperature, cell voltage, box gas pressure, insulation resistance, characteristic gas concentration and particulate matter concentration. When the minimum value of the cell voltage is smaller than the preset cell voltage within the preset time, whether the battery system is in a voltage reference mode or not is judged based on the cell voltage, the cell temperature, the box body gas pressure and the insulation resistance value. And when the maximum temperature value of the battery core temperature is greater than the preset maximum temperature value or the maximum temperature difference value is greater than the maximum temperature difference value or the heating rate is greater than the maximum heating rate within the preset time, determining whether the battery system is in a temperature reference mode or not based on the battery core temperature, the gas pressure of the box body, the insulation resistance value and the characteristic gas concentration. And when the gas pressure is greater than the preset pressure threshold value or the pressure rising rate is greater than the preset pressure rising rate within the preset time period, determining whether the battery system is in a gas pressure reference mode based on the tank gas pressure, the insulation resistance value and the particulate matter concentration. And issuing an alarm to the user based on each runaway alarm mode. The technical scheme of the embodiment can change the mode of carrying out the thermal runaway alarm through a single signal in the past, but carry out the alarm through the coupling mode of the multi-physical-field signal, thereby greatly reducing the probability of the thermal runaway misinformation and improving the user experience.
Fig. 4 is a schematic structural diagram of a battery failure warning device according to an embodiment of the present application. The embodiment of the application provides a battery failure alarm device, the device includes:
a parameter obtaining module 401, configured to obtain parameters of components connected to the battery system; wherein the parameters include: the cell temperature, the cell voltage, the box gas pressure, the insulation resistance, the characteristic gas concentration and the particulate matter concentration;
a mode determination module 402 configured to determine whether the battery system is in at least one runaway alarm mode of the respective runaway alarm modes based on at least one parameter when the at least one parameter is outside a corresponding set range;
an alert issuing module 403 for issuing an alert to a user based on each runaway alarm mode when the battery system is in the at least one runaway alarm mode.
Optionally, the runaway alarm mode includes: a voltage reference mode, a temperature reference mode, and a gas pressure reference mode.
Optionally, the voltage reference mode includes a voltage temperature mode, a voltage air pressure mode and a voltage insulation resistance mode; the temperature reference mode comprises a temperature air pressure mode, a temperature insulation resistance value mode and a temperature gas concentration mode; the air pressure reference mode comprises an air pressure insulation resistance mode and an air pressure particle concentration mode.
Optionally, the mode determining module 402 is specifically configured to: and when the minimum value of the cell voltage is smaller than a preset cell voltage within a preset time, judging whether the battery system is in the voltage reference mode or not based on the cell voltage, the cell temperature, the box body gas pressure and the insulation resistance value.
Optionally, the mode determining module 402 is further configured to: and when the maximum temperature value of the cell temperature is greater than a preset maximum temperature value or the maximum temperature difference value is greater than the maximum temperature difference value or the heating rate is greater than the maximum heating rate within a preset time period, determining whether the storage battery system is in the temperature reference mode or not based on the cell temperature, the box body gas pressure, the insulation resistance value and the characteristic gas concentration.
Optionally, the mode determining module 402 is further configured to: when the gas pressure is greater than a preset pressure threshold value or the pressure rising rate is greater than a preset pressure rising rate within a preset time period, determining whether the storage battery system is in the gas pressure reference mode based on the box gas pressure, the insulation resistance value and the particulate matter concentration.
Optionally, the alarm issuing module 403 is specifically configured to: displaying display content corresponding to the at least one out-of-control alarm mode in a display device of the vehicle, and/or broadcasting alarm voice corresponding to the at least one out-of-control alarm mode through a voice broadcaster of the vehicle.
The battery fault alarm device provided by the embodiment of the application can execute the battery fault alarm method provided by any embodiment of the application, and has the corresponding functional modules and beneficial effects of the execution method.
Fig. 5 is a schematic structural diagram of an electronic device provided in an embodiment of the present application, and referring to fig. 5, a schematic structural diagram of a computer system 12 suitable for implementing the electronic device of the embodiment of the present application is shown. The electronic device shown in fig. 5 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present application. The components of electronic device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
The system memory 28 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM) 30 and/or cache memory 32. The electronic device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 5, and commonly referred to as a "hard drive"). Although not shown in FIG. 5, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. Memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the application.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally perform the functions and/or methodologies of the embodiments described herein.
The processing unit 16 executes various functional applications and battery failure alarm by running a program stored in the system memory 28, for example, to implement a battery failure alarm method provided in the embodiment of the present application: acquiring parameters of a component connected with a storage battery system; wherein the parameters include: the cell temperature, the cell voltage, the box gas pressure, the insulation resistance, the characteristic gas concentration and the particulate matter concentration; when at least one parameter is out of the corresponding set range, judging whether the battery system is in at least one runaway alarm mode in each runaway alarm mode based on the at least one parameter; and when the battery system is in the at least one runaway alarm mode, issuing an alarm to a user based on each runaway alarm mode.
The embodiment of the application provides a computer readable storage medium, on which a computer program is stored, and the program is executed by a processor to implement a battery failure alarm method provided by all the inventive embodiments of the application: acquiring parameters of a component connected with a storage battery system; wherein the parameters include: the cell temperature, the cell voltage, the box gas pressure, the insulation resistance value, the characteristic gas concentration and the particulate matter concentration; when at least one parameter is out of the corresponding set range, judging whether the battery system is in at least one out-of-control alarm mode in each out-of-control alarm mode based on the at least one parameter; and when the battery system is in the at least one runaway alarm mode, issuing an alarm to a user based on each runaway alarm mode. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present application may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C + +, or the like, as well as conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present application and the technical principles employed. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments illustrated herein, and that various obvious changes, rearrangements and substitutions may be made therein by those skilled in the art without departing from the scope of the application. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims (10)
1. A battery fault warning method, the method comprising:
acquiring parameters of a component connected with a storage battery system; wherein the parameters include: the cell temperature, the cell voltage, the box gas pressure, the insulation resistance value, the characteristic gas concentration and the particulate matter concentration;
when at least one parameter is out of the corresponding set range, judging whether the battery system is in at least one runaway alarm mode in each runaway alarm mode based on the at least one parameter;
and when the battery system is in the at least one runaway alarm mode, issuing an alarm to a user based on each runaway alarm mode.
2. The method of claim 1, wherein the runaway alarm mode comprises: a voltage reference mode, a temperature reference mode, and a gas pressure reference mode.
3. The method of claim 2, wherein the voltage reference mode comprises a voltage temperature mode, a voltage air pressure mode, and a voltage insulation resistance mode; the temperature reference mode comprises a temperature air pressure mode, a temperature insulation resistance value mode and a temperature gas concentration mode; the air pressure reference mode comprises an air pressure insulation resistance mode and an air pressure particle concentration mode.
4. The method of claim 2, wherein determining whether the battery system is in at least one of the runaway alarm modes based on at least one parameter when the at least one parameter is outside of a corresponding set range comprises:
and when the minimum value of the cell voltage is smaller than a preset cell voltage within a preset time, judging whether the battery system is in the voltage reference mode or not based on the cell voltage, the cell temperature, the box body gas pressure and the insulation resistance value.
5. The method of claim 2, wherein determining whether the battery system is in at least one of the runaway alarm modes based on at least one parameter when the at least one parameter is outside of a corresponding set range comprises:
and when the maximum temperature value of the cell temperature is greater than a preset maximum temperature value or the maximum temperature difference value is greater than the maximum temperature difference value or the heating rate is greater than the maximum heating rate within a preset time period, determining whether the storage battery system is in the temperature reference mode or not based on the cell temperature, the box body gas pressure, the insulation resistance value and the characteristic gas concentration.
6. The method of claim 2, wherein determining whether the battery system is in at least one of the runaway alarm modes based on at least one parameter when the at least one parameter is outside of a corresponding set range comprises:
and when the gas pressure is greater than a preset pressure threshold value or the pressure rising rate is greater than a preset pressure rising rate within a preset time period, determining whether the storage battery system is in the gas pressure reference mode or not based on the tank gas pressure, the insulation resistance value and the particulate matter concentration.
7. The method of claim 1, wherein issuing an alert based on the at least one runaway alarm mode comprises:
and displaying display content corresponding to the at least one out-of-control alarm mode in a display device of the vehicle, and/or broadcasting alarm voice corresponding to the at least one out-of-control alarm mode through a voice broadcaster of the vehicle.
8. A battery failure warning device, the device comprising:
the parameter acquisition module is used for acquiring parameters of components connected with the storage battery system; wherein the parameters include: the cell temperature, the cell voltage, the box gas pressure, the insulation resistance, the characteristic gas concentration and the particulate matter concentration;
the mode judging module is used for judging whether the battery system is in at least one runaway alarm mode in each runaway alarm mode based on at least one parameter when the at least one parameter is out of the corresponding set range;
an alert issuing module for issuing an alert to a user based on each runaway alarm mode when the battery system is in the at least one runaway alarm mode.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the program implements the battery malfunction alerting method of any one of claims 1-7.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the battery failure warning method according to any one of claims 1 to 7.
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| CN202211368783.XA CN115798159A (en) | 2022-11-03 | 2022-11-03 | Battery fault alarm method and device, electronic equipment and storage medium |
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| CN202211368783.XA CN115798159A (en) | 2022-11-03 | 2022-11-03 | Battery fault alarm method and device, electronic equipment and storage medium |
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