CN117289147A - Battery monitoring method and device, storage medium and electronic equipment - Google Patents
Battery monitoring method and device, storage medium and electronic equipment Download PDFInfo
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- CN117289147A CN117289147A CN202311580343.5A CN202311580343A CN117289147A CN 117289147 A CN117289147 A CN 117289147A CN 202311580343 A CN202311580343 A CN 202311580343A CN 117289147 A CN117289147 A CN 117289147A
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- 238000001514 detection method Methods 0.000 claims abstract description 189
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- 238000012806 monitoring device Methods 0.000 claims abstract description 6
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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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
Abstract
The invention discloses a battery monitoring method, a battery monitoring device, a storage medium and electronic equipment. Wherein the method comprises the following steps: in response to receiving a monitoring instruction for monitoring a target battery, acquiring a tag state of a target tag in the target battery, wherein the tag state comprises a target temperature of the target battery acquired by the target tag and a connecting line state of the target tag, and the connecting line state is used for indicating whether a connecting line on the target tag is disconnected or not; detecting a target battery based on the target temperature to obtain a first detection result, wherein the first detection result is used for indicating whether the target battery is in a temperature out-of-control state; detecting the target battery based on the connecting line state to obtain a second detection result, wherein the second detection result is used for indicating whether the target battery is in a state that the pressure release valve is opened; outputting target prompt information based on the first detection result and the second detection result. The invention solves the technical problem of lower monitoring efficiency of the battery state in the related technology.
Description
Technical Field
The present invention relates to the field of battery monitoring, and in particular, to a battery monitoring method, a device, a storage medium, and an electronic apparatus.
Background
In the use or charging process of the battery, the temperature of the battery is raised due to the out-of-control reaction in the battery, and the out-of-control reaction in the battery exceeds the normal working temperature range of the battery, and a large amount of gas can be generated, namely the battery enters a thermal out-of-control state, so that serious accidents such as fire or explosion are caused, and therefore, the method has important significance in monitoring whether the target battery is in the thermal out-of-control state.
At present, in the related art, the battery state is detected through indirect modes such as collecting the battery temperature through a wire harness, collecting gas through a gas sensor, and the like, and the conditions such as poor contact of the collecting wire harness, sensor faults, poor sensitivity of the sensor, short service life of the sensor, poor gas selectivity, misoperation and the like exist, so that the monitoring efficiency of the battery state in the related art is low.
In view of the above problems, no effective solution has been proposed at present.
Disclosure of Invention
The embodiment of the invention provides a battery monitoring method, a device, a storage medium and electronic equipment, which are used for at least solving the technical problem of low battery state monitoring efficiency in the related technology.
According to an aspect of an embodiment of the present invention, there is provided a battery monitoring method including: in response to receiving a monitoring instruction for monitoring a target battery, acquiring a tag state of a target tag in the target battery, wherein the tag state comprises a target temperature of the target battery acquired by the target tag and a connecting line state of the target tag, and the connecting line state is used for indicating whether a connecting line on the target tag is disconnected or not; detecting a target battery based on the target temperature to obtain a first detection result, wherein the first detection result is used for indicating whether the target battery is in a temperature out-of-control state; detecting the target battery based on the connecting line state to obtain a second detection result, wherein the second detection result is used for indicating whether the target battery is in a state that the pressure release valve is opened; outputting target prompt information based on the first detection result and the second detection result.
Optionally, the target temperature includes a first temperature, a second temperature and a third temperature, and detecting the target battery based on the target temperature to obtain a first detection result, including: judging whether the first temperature is greater than a first preset temperature, wherein the first temperature is the current temperature of a first electric core in the target battery; judging whether the second temperature is greater than a second preset temperature or not in response to the fact that the first temperature is greater than the first preset temperature, wherein the second temperature is the current temperature of a second electric core in the target battery, and the second electric core is adjacent to the first electric core; and determining a first detection result based on a third temperature and a third preset temperature in response to the second temperature being greater than the second preset temperature, wherein the third temperature is the current temperature of a third cell in the target battery, the third cell is adjacent to the second cell, and the third cell is not adjacent to the first cell.
Optionally, in response to the second temperature being greater than the second preset temperature, determining the first detection result based on the third temperature and the third preset temperature includes: and determining that the first detection result is used for indicating that the target battery is in a temperature out-of-control state in response to the third temperature being greater than a third preset temperature.
Optionally, outputting the target prompt information based on the first detection result and the second detection result, where the target prompt information includes the first prompt information, and includes: outputting first prompt information in response to the second temperature being less than or equal to a second preset temperature, wherein the first prompt information is used for indicating that the target battery is at risk of a temperature runaway state; or, outputting the first prompt information in response to the third temperature being less than or equal to the third preset temperature.
Optionally, outputting the target prompt information based on the first detection result and the second detection result, where the target prompt information further includes a second prompt information, and includes: and responding to the second detection result to indicate that the target battery is in the pressure release valve opening state, wherein the first detection result is used to indicate that the target battery is in the temperature runaway state, and outputting second prompt information, wherein the second prompt information is used to indicate that the target battery is in the thermal runaway state.
Optionally, outputting the target prompt information based on the first detection result and the second detection result, where the target prompt information further includes a third prompt information, and includes: and responding to the connecting line state to indicate that the connecting line on the target label is not disconnected, and the target label is abnormally connected with the target battery, and outputting third prompt information, wherein the third prompt information is used for indicating that the target label is in a fault state.
Optionally, outputting the target prompt information based on the first detection result and the second detection result, where the target prompt information further includes fourth prompt information, and includes: responding to the second detection result to indicate that the target battery is in a state that the pressure release valve is opened and the target battery is not in a state of temperature runaway, and outputting fourth prompt information, wherein the fourth prompt information is used to indicate that the target battery is not in the state of temperature runaway; or, responding to the connection line state to indicate that the connection line on the target label is not disconnected, and the target label is normally connected with the target battery, and outputting fourth prompt information.
According to another aspect of the embodiment of the present invention, there is also provided a monitoring device for a battery, including: the acquisition module is used for responding to a monitoring instruction for monitoring the target battery and acquiring the tag state of the target tag in the target battery, wherein the tag state comprises the target temperature of the target battery acquired by the target tag and the connecting line state of the target tag, and the connecting line state is used for indicating whether the connecting line on the target tag is disconnected or not; the first detection module is used for detecting the target battery based on the target temperature to obtain a first detection result, wherein the first detection result is used for indicating whether the target battery is in a temperature out-of-control state; the second detection module is used for detecting the target battery based on the state of the connecting wire to obtain a second detection result, wherein the second detection result is used for indicating whether the target battery is in a state that the pressure release valve is opened or not; and the output module is used for outputting target prompt information based on the first detection result and the second detection result.
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium including a stored program, wherein the above battery monitoring method is executed in a processor of a device in which the program is controlled to run.
According to another aspect of embodiments of the present invention, there is also provided an electronic device, one or more processors; a storage means for storing one or more programs; the one or more programs, when executed by the one or more processors, cause the one or more processors to perform the battery monitoring method described above.
In the embodiment of the invention, a monitoring instruction for monitoring a target battery is received, and the label state of a target label in the target battery is obtained, wherein the label state comprises the target temperature of the target battery collected by the target label and the connecting line state of the target label, and the connecting line state is used for indicating whether a connecting line on the target label is disconnected or not; detecting a target battery based on the target temperature to obtain a first detection result, wherein the first detection result is used for indicating whether the target battery is in a temperature out-of-control state; detecting the target battery based on the connecting line state to obtain a second detection result, wherein the second detection result is used for indicating whether the target battery is in a state that the pressure release valve is opened; the target prompt information is output based on the first detection result and the second detection result, the target temperature and the pressure release valve state of the target battery are detected by acquiring the label state of the target label in the target battery, and the target prompt information is output based on the current state of the target battery, so that the real-time monitoring of the target battery is realized, and the technical problem of lower monitoring efficiency of the battery state in the related technology is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a flow chart of a battery monitoring method according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a system block diagram of a battery monitoring method according to an embodiment of the present invention;
FIG. 3 is a flow chart of an alternative battery monitoring method implementation in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of an alternative battery detection assembly according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a battery monitoring device according to an embodiment of the present application.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
In accordance with an embodiment of the present invention, there is provided an embodiment of a battery monitoring method, it being noted that the steps shown in the flowchart of the figures may be performed in a computer system, such as a set of computer executable instructions, and, although a logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in an order other than that shown or described herein.
Fig. 1 is a flowchart of a battery monitoring method according to an embodiment of the present invention, as shown in fig. 1, including the steps of:
step S102, in response to receiving a monitoring instruction for monitoring the target battery, acquiring the label state of the target label in the target battery.
The tag state comprises a target temperature of a target battery collected by the target tag and a connecting line state of the target tag, wherein the connecting line state is used for indicating whether a connecting line on the target tag is disconnected or not.
The target battery may refer to a battery to be monitored for a battery state, and the target battery includes a plurality of battery cells, where each battery cell is sequentially connected to form the target battery, and the target battery may be a lithium battery or other types of batteries, which is not limited herein.
The above-mentioned monitoring instruction may refer to an instruction or command to monitor the state of the target battery, and herein may refer to monitoring whether the target battery is in a thermal runaway state.
The thermal runaway state may be that the temperature of the battery is raised due to the runaway internal reaction of the battery in the use or charging process of the target battery, and the temperature exceeds the normal working temperature range of the battery, and a large amount of gas may be generated due to the runaway internal reaction of the battery, so that serious accidents such as fire or explosion may be further caused, and therefore, it is of great importance to monitor whether the target battery is in the thermal runaway state.
The target label may be a radio frequency identification label (Radio Frequency Identification Tag, abbreviated as RFID) with temperature measurement and detection functions, which is resistant to high temperature and corrosion, and has a temperature measurement device, a connection line, and a connection line state detection device, and may be attached to each electric core of the target battery.
The tag state comprises the temperature data of the corresponding battery core detected by the target tag and whether the connecting wire of the corresponding battery core is disconnected.
In an alternative embodiment, a plurality of target labels may be respectively attached to the pressure release valves of the respective battery cells of the target battery, where the target labels may detect the current temperature of the respective battery cells in real time, and since the target labels are attached to the pressure release valves of the battery cells of the target battery, when the battery cells of the battery generate gas to be discharged from the pressure release valves, the connection line may be broken, the target labels may obtain the state of the connection line in real time, i.e. the target labels may obtain whether the connection line is broken.
In another alternative embodiment, the tag status of the target tag in the target battery may be obtained through a recommended standard 485 communication interface (abbreviated as RS485 communication), where the RS485 communication is a serial communication protocol, and is commonly used for long-distance and multi-node communication, the RS485 communication uses differential signals to transmit data, and reliable communication can be implemented at a relatively high communication rate, and the RS485 communication has high reliability, strong interference resistance, strong expansibility, and the like, and meanwhile, implementation of the RS485 communication is relatively simple, and hardware cost is low.
Through step S102, the label state of the target label attached to each cell of the target battery is obtained, and data support is provided for monitoring the target battery in the follow-up process.
Step S104, detecting the target battery based on the target temperature to obtain a first detection result.
The first detection result is used for indicating whether the target battery is in a temperature runaway state or not.
The target temperature may refer to temperatures of a plurality of adjacent cells detected by the target tag.
The above-mentioned temperature runaway state may refer to that a plurality of adjacent cells of the target battery have a temperature rise and reach a preset condition, and the temperature runaway state of the target battery is one of the characteristics of the target battery entering the thermal runaway state.
In an alternative embodiment, by comprehensively judging the temperatures of a plurality of adjacent battery cells detected by the target tag, whether the target battery is in a temperature out-of-control state is judged, and a basis is provided for outputting corresponding target prompt information based on the target temperature of the target battery.
And step S106, detecting the target battery based on the state of the connecting wire to obtain a second detection result.
The second detection result is used for indicating whether the target battery is in a pressure release valve opening state or not.
The above-mentioned open state of the pressure release valve may refer to that the pressure release valve on the cell is cracked or opened due to the release of gas by the cell in the target battery, and the open state of the pressure release valve in the target battery is one of the characteristics of the target battery entering a thermal runaway state.
In an alternative embodiment, since the target tag is attached to the pressure release valve of the battery cell of the target battery, when the gas generated by the battery cell of the target battery is discharged from the pressure release valve and can break the connecting line, the target tag can acquire whether the connecting line is broken in real time, and when the target tag detects that the connecting line is broken, the pressure release valve of the battery cell of the target battery can be determined to be in an open state.
In an alternative embodiment, based on the state of the connecting line on the target tag, whether the target battery is in the state of opening the pressure release valve is judged, and a basis is provided for outputting corresponding target prompt information based on the state of the pressure release valve of the target battery.
Step S108, outputting target prompt information based on the first detection result and the second detection result.
The above-described target hint information may refer to hint information made based on the state of the target battery.
In an alternative embodiment, different prompt information can be made based on the target temperature of the target battery and the state of the pressure release valve, for example, when the target battery is in a temperature out-of-control state and the pressure release valve is in an open state, the target battery can be determined to be in a thermal out-of-control state, and then a fire alarm signal can be output to remind a user to make corresponding countermeasures; when the target temperature of the target battery is normal and the state of the pressure release valve is normal, a target battery state normal signal can be output.
In the embodiment of the invention, a monitoring instruction for monitoring a target battery is received, and the label state of a target label in the target battery is obtained, wherein the label state comprises the target temperature of the target battery collected by the target label and the connecting line state of the target label, and the connecting line state is used for indicating whether a connecting line on the target label is disconnected or not; detecting a target battery based on the target temperature to obtain a first detection result, wherein the first detection result is used for indicating whether the target battery is in a temperature out-of-control state; detecting the target battery based on the connecting line state to obtain a second detection result, wherein the second detection result is used for indicating whether the target battery is in a state that the pressure release valve is opened; the target prompt information is output based on the first detection result and the second detection result, the target temperature and the pressure release valve state of the target battery are detected by acquiring the label state of the target label in the target battery, and the target prompt information is output based on the current state of the target battery, so that the real-time monitoring of the target battery is realized, and the technical problem of lower monitoring efficiency of the battery state in the related technology is solved.
Optionally, the target temperature includes a first temperature, a second temperature and a third temperature, and detecting the target battery based on the target temperature to obtain a first detection result, including: judging whether the first temperature is greater than a first preset temperature, wherein the first temperature is the current temperature of a first electric core in the target battery; judging whether the second temperature is greater than a second preset temperature or not in response to the fact that the first temperature is greater than the first preset temperature, wherein the second temperature is the current temperature of a second electric core in the target battery, and the second electric core is adjacent to the first electric core; and determining a first detection result based on a third temperature and a third preset temperature in response to the second temperature being greater than the second preset temperature, wherein the third temperature is the current temperature of a third cell in the target battery, the third cell is adjacent to the second cell, and the third cell is not adjacent to the first cell.
The first preset temperature may be a preset temperature value, which is used for judging whether the battery core temperature in the target battery is higher, and the first preset temperature may be set by a user according to actual needs, where the value of the first preset temperature is not limited.
The first battery cell may be a battery cell in each battery cell in the target battery, wherein the temperature of the battery cell in each battery cell exceeds a first preset temperature, and the setting of the first battery cell is not fixed, for example, when the temperature of the battery cell No. 3 in each battery cell in the target battery exceeds the first preset temperature, the battery cell No. 3 is determined to be the first battery cell; and when the temperature of the No. 5 battery core in each battery core in the target battery exceeds the first preset temperature, determining the No. 5 battery core as the first battery core.
The second battery cell may be a battery cell directly adjacent to the first battery cell in each battery cell in the target battery, for example, when the No. 5 battery cell is determined to be the first battery cell, the second battery cell may be determined to be the No. 4 battery cell and the No. 6 battery cell.
The third battery cell may be a battery cell directly adjacent to the second battery cell and not adjacent to the first battery cell in each battery cell in the target battery, for example, when the No. 5 battery cell is determined to be the first battery cell, the second battery cell may be determined to be the No. 4 battery cell and the No. 6 battery cell, and then the second battery cell may be determined to be the No. 3 battery cell and the No. 7 battery cell.
The second preset temperature may be a preset temperature value, the second preset temperature needs to be set lower than the first preset temperature, and the second preset temperature is used for judging whether the second battery cell is higher, for example, the second preset temperature=the first preset temperature is-5 ℃, and the second preset temperature may be set by a user according to actual needs, where the value of the second preset temperature is not limited.
The third preset temperature may be a preset temperature value, the third preset temperature needs to be set lower than the second preset temperature, and the third preset temperature is used for judging whether the temperature of the third battery cell is higher, for example, the third preset temperature=the first preset temperature-8 ℃, and the third preset temperature may be set by a user according to actual needs, where the value of the third preset temperature is not limited.
In an alternative embodiment, when a certain electric core in the target battery fails and the temperature of the electric core rises, that is, the temperature of the first electric core is higher, heat is sequentially conducted to the electric core adjacent to the first electric core, and because a detection error may exist in the target label, whether the target battery is in a temperature out-of-control state cannot be accurately judged according to the detection temperature of one target label.
Optionally, in response to the second temperature being greater than the second preset temperature, determining the first detection result based on the third temperature and the third preset temperature includes: and determining that the first detection result is used for indicating that the target battery is in a temperature out-of-control state in response to the third temperature being greater than a third preset temperature.
In an alternative embodiment, when the current temperature of the first battery cell is greater than the first preset temperature, the current temperature of the second battery cell is greater than the second preset temperature, and the current temperature of the third battery cell is greater than the third preset temperature, it may be determined that the target battery is in a temperature runaway state.
Optionally, outputting the target prompt information based on the first detection result and the second detection result, where the target prompt information includes the first prompt information, and includes: outputting first prompt information in response to the second temperature being less than or equal to a second preset temperature, wherein the first prompt information is used for indicating that the target battery is at risk of a temperature runaway state; or, outputting the first prompt information in response to the third temperature being less than or equal to the third preset temperature.
In an alternative embodiment, when the current temperature of the first electric core is greater than the first preset temperature and the current temperature of the second electric core is less than or equal to the second preset temperature, that is, the target battery does not meet the temperature runaway condition, but the heat of the first electric core is possibly not transmitted to the second electric core, the target battery has the risk of entering the temperature runaway condition, a fire disaster early warning signal can be output, and the user can be reminded in advance that the target battery has the risk of having the temperature runaway condition.
In another alternative embodiment, when the current temperature of the first electric core is greater than the first preset temperature, the current temperature of the second electric core is greater than the second preset temperature, and the current temperature of the third electric core is less than or equal to the third preset temperature, that is, the target battery does not meet the temperature runaway condition, but the heat of the first electric core may not be conducted to the third electric core, the target battery has a risk of entering the temperature runaway condition, and at this time, a fire early warning signal may be output to alert a user in advance that the target battery has a risk of having the temperature runaway condition.
Optionally, outputting the target prompt information based on the first detection result and the second detection result, where the target prompt information further includes a second prompt information, and includes: and responding to the second detection result to indicate that the target battery is in the pressure release valve opening state, wherein the first detection result is used to indicate that the target battery is in the temperature runaway state, and outputting second prompt information, wherein the second prompt information is used to indicate that the target battery is in the thermal runaway state.
In an alternative embodiment, when the first detection result is used for indicating that the target battery is in a temperature out-of-control state, and the second detection result is used for indicating that the target battery is in a pressure release valve opening state, that is, the target battery has the battery temperature out-of-control characteristic and the battery generated gas characteristic, the target battery enters the thermal out-of-control state, a fire alarm signal can be output to remind a user to take corresponding measures, so that serious accidents such as fire or explosion caused by the target battery are avoided.
Optionally, outputting the target prompt information based on the first detection result and the second detection result, where the target prompt information further includes a third prompt information, and includes: and responding to the connecting line state to indicate that the connecting line on the target label is not disconnected, and the target label is abnormally connected with the target battery, and outputting third prompt information, wherein the third prompt information is used for indicating that the target label is in a fault state.
In an alternative embodiment, when the target tag detects that the connecting line is not disconnected, but the connection between the target tag and the target battery is abnormal, that is, the target tag is not attached to the battery core of the target battery any more, the target tag loses the function of detecting the target battery, and then a fault alarm signal can be output to remind a user to check and recover the target tag, so that the target tag is attached to the battery core of the target battery again, and the function of monitoring the target battery is recovered.
Optionally, outputting the target prompt information based on the first detection result and the second detection result, where the target prompt information further includes fourth prompt information, and includes: responding to the second detection result to indicate that the target battery is in a state that the pressure release valve is opened and the target battery is not in a state of temperature runaway, and outputting fourth prompt information, wherein the fourth prompt information is used to indicate that the target battery is not in the state of temperature runaway; or, responding to the connection line state to indicate that the connection line on the target label is not disconnected, and the target label is normally connected with the target battery, and outputting fourth prompt information.
In an alternative embodiment, when the second detection result is used to indicate that the target battery is in the pressure release valve open state, and the first detection result is used to indicate that the target battery is not in the temperature runaway state, the thermal runaway state of the battery is not satisfied, and the false alarm of the target label is possible, then a signal that the operating state of the target battery is normal may be output.
In another alternative embodiment, when the target tag detects that the connection line is not disconnected and the connection between the target tag and the target battery is normal, that is, the target tag works normally and the target battery operates normally, a signal that the target battery operates normally may be output.
In an alternative embodiment, fig. 2 is a schematic diagram of a system block diagram of a battery monitoring method according to an embodiment of the present invention, as shown in fig. 2, a plurality of target tags are respectively attached to each electric core in a target battery, the target tags can detect the current temperature of the corresponding electric core in real time, a connecting wire is arranged on the target tags, the target tags can detect whether the connecting wire is disconnected, when the electric core generates gas and discharges from a pressure release valve, the connecting wire can be broken, the target tags can acquire whether the connecting wire is disconnected in real time, when the target tags detect that the connecting wire is disconnected, the pressure release valve of the target battery with the electric core can be determined to be in an open state, the ultrahigh frequency collector can acquire the tag state of each target tag at high frequency, and transmit the tag state of each target tag to a fire alarm host, and the fire alarm host can output corresponding target prompt information based on the tag state of each target tag, thereby realizing the monitoring of the target battery.
In another alternative embodiment, as shown in fig. 2, when the current temperature of the battery cell 10 is greater than a first preset temperature, that is, the battery cell 10 is a first battery cell, the battery cell 11 and the battery cell 9 are a second battery cell, the battery cell 12 and the battery cell 8 are a third battery cell, the temperatures of the battery cell 11 and the battery cell 9 are greater than a second preset temperature, the current temperature of the battery cell 12 and the battery cell 8 is greater than the third preset temperature, and the connection line of the target tag on the battery cell 10 is disconnected, that is, the battery temperature runaway feature and the battery generating gas feature of the target battery already occur, the target battery enters a thermal runaway state, a fire alarm signal can be output to remind the user to make corresponding measures, so as to avoid serious accidents such as fire or explosion of the target battery.
In an alternative embodiment, fig. 3 is a flowchart of an alternative battery monitoring method according to an embodiment of the present invention, as shown in fig. 3, a plurality of target labels may be attached to pressure release valves of respective battery cells of a target battery, the target labels may detect the current temperature of the corresponding battery cells in real time, and since the target labels are attached to the pressure release valves of the battery cells of the target battery, when the battery cells of the battery produce gas to be discharged from the pressure release valves, a connection line may be broken, the target labels may acquire the state of the connection line in real time, that is, the target labels may acquire whether the connection line is broken; the tag state of the target tag in the target battery can be obtained through a recommended standard 485 communication interface (RS 485 communication for short), and other communication modes can be used for obtaining the tag state of the target tag in the target battery, which is not limited; by comprehensively judging the temperatures of a plurality of adjacent battery cells detected by the target tag, judging whether the target battery is in a temperature runaway state, judging whether the target battery is in a pressure relief valve opening state based on the connecting line state on the target tag, and making different prompt information based on the target temperature of the target battery and the pressure relief valve state, for example, when the target battery is in the temperature runaway state and the pressure relief valve opening state, the target battery can be determined to be in the temperature runaway state, and then a fire alarm signal can be output to remind a user of making corresponding countermeasures; when the target temperature of the target battery is normal and the state of the pressure release valve is normal, a target battery state normal signal can be output.
In an alternative embodiment, as shown in fig. 3, when a certain electric core in the target battery fails and the temperature of the electric core rises, that is, the temperature of the first electric core is higher, heat is sequentially conducted to the electric core adjacent to the first electric core, and because a detection error may exist in the target label, whether the target battery is in a temperature out-of-control state cannot be accurately determined according to the detection temperature of one target label.
In an alternative embodiment, as shown in fig. 3, when the current temperature of the first battery cell is greater than the first preset temperature, the current temperature of the second battery cell is greater than the second preset temperature, and the current temperature of the third battery cell is greater than the third preset temperature, it may be determined that the target battery is in a temperature runaway state.
In another alternative embodiment, as shown in fig. 3, when the current temperature of the first electric core is greater than the first preset temperature and the current temperature of the second electric core is less than or equal to the second preset temperature, that is, the target battery does not meet the temperature runaway condition, but the heat of the first electric core is not conducted to the second electric core, the target battery has a risk of entering the temperature runaway condition, and then a fire disaster early warning signal can be output to remind a user that the target battery has a risk of entering the temperature runaway condition in advance.
In another alternative embodiment, as shown in fig. 3, when the current temperature of the first electric core is greater than the first preset temperature, the current temperature of the second electric core is greater than the second preset temperature, and the current temperature of the third electric core is less than or equal to the third preset temperature, that is, the target battery does not meet the temperature out-of-control condition, but the heat of the first electric core may not be conducted to the third electric core, and the target battery has a risk of entering the temperature out-of-control condition, a fire early warning signal may be output to alert a user in advance that the target battery has a risk of having the temperature out-of-control condition.
In another alternative embodiment, as shown in fig. 3, when the first detection result is used to indicate that the target battery is in a temperature out-of-control state, and the second detection result is used to indicate that the target battery is in a pressure release valve open state, that is, the target battery has the battery temperature out-of-control feature and the battery generated gas feature, the target battery enters the thermal out-of-control state, a fire alarm signal may be output to remind the user to make corresponding measures, so as to avoid serious accidents such as fire or explosion caused by the target battery.
In another alternative embodiment, as shown in fig. 3, when the target tag detects that the connection line is not disconnected, but the connection between the target tag and the target battery is abnormal, that is, the target tag is not attached to the battery core of the target battery any more, the target tag loses the detection function of the target battery, and then a fault alarm signal can be output to remind the user to check and recover the target tag, so that the target tag is attached to the battery core of the target battery any more, and the monitoring function of the target battery is recovered.
In another alternative embodiment, as shown in fig. 3, when the second detection result is used to indicate that the target battery is in the pressure release valve open state, and the first detection result is used to indicate that the target battery is not in the temperature runaway state, the thermal runaway state of the battery is not satisfied, and a false alarm of the target label is possible, a signal that the operating state of the target battery is normal may be output.
In another alternative embodiment, as shown in fig. 3, when the target tag detects that the connection line is not disconnected and the connection between the target tag and the target battery is normal, that is, the target tag works normally and the target battery operates normally, a signal that the target battery operates normally may be output.
In an alternative embodiment, fig. 4 is a schematic diagram of an alternative battery detection assembly according to an embodiment of the present invention, as shown in fig. 4, comprising: the detection tag 102, namely a target tag, is attached to the battery core 122 of the battery, the detection tag 102 comprises a detection device 104 and a chip 106, the battery core 122 comprises a pressure release valve 124, a first end of the detection device 104 is connected with an input end of the chip 106, a second end of the detection device 104 is connected with an output end of the chip 106, the detection device 104 is attached to the pressure release valve 124, the chip 106 is used for acquiring a temperature state of the battery core and a connection state of the detection device 104, and the connection state is used for indicating whether the pressure release valve 124 is opened or not; and the controller is in communication connection with the chip 106 in the detection tag 102 and is used for generating target prompt information according to the temperature state and the connection state, wherein the target prompt information is used for prompting whether the battery is in a thermal runaway state or not.
The detection tag can be a radio frequency identification tag (Radio Frequency Identification Tag, abbreviated as RFID) with high temperature resistance, corrosion resistance, temperature measurement and detection functions, a chip is arranged on the detection tag, a connecting wire and a detection device are connected, and the detection tag can be covered and attached to a pressure release valve of an electric core in a battery.
The detection device can detect the state of the connecting wire on the detection tag and send the detected state of the connecting wire to the chip for detecting the tag.
The chip can be a chip with temperature measurement and communication, the temperature measurement device on the chip can detect the current temperature of the battery cell in real time and can communicate with the controller in a wireless mode, and the chip can send the detected current temperature of the battery cell and the state of a connecting wire transmitted by the detection device to the controller.
The pressure release valve 124 may be a pressure release valve on a battery core, where the pressure release valve on the battery core is a device for releasing the internal pressure of the battery core, and may generate excessive pressure inside the battery core during the charging or using process of the battery, if not released in time, may cause dangerous situations such as explosion of the battery core, the pressure release valve automatically opens and releases part of gas when the internal pressure of the battery core exceeds a set value, so as to maintain the safe pressure range inside the battery core, thus effectively preventing the over-pressure and overheat problems of the battery core and improving the safety performance of the battery core.
In an alternative embodiment, a plurality of detection labels can be respectively attached to the pressure release valves of the battery cells of the target battery, and the detection labels can detect the current temperature of the corresponding battery cells in real time; and because the connecting wire of detection label covers and laminating on the relief valve of battery cell, when the battery cell produced gas and discharged from the relief valve, can break the connecting wire, detection label can acquire whether the connecting wire breaks off in real time, and when detection label detects the connecting wire disconnection then can confirm that the relief valve of battery cell is in the open state.
In another alternative embodiment, the chip may send the detected current temperature of the battery cell and the connection line state sent from the detecting device to the controller through a recommended standard 485 communication interface (abbreviated as RS485 communication), and other communication methods may be used to obtain the label state of the target label in the target battery, which is not limited herein.
In an alternative embodiment, the controller may output different prompt information based on the current temperature of the battery cell and the state of the connection line, which are transmitted from the chip, for example, when the battery is in a temperature runaway state and the pressure release valve is in an open state, it may be determined that the battery is in a thermal runaway state, and then a fire alarm signal may be output to remind the user to take corresponding countermeasures; when the temperature of the battery is normal and the state of the pressure release valve is normal, a battery state normal signal can be output.
In an embodiment of the present invention, the battery detection assembly includes: the detection device detects the state of the connecting wire and sends the state of the connecting wire to the chip of the detection tag; the chip detects the current temperature of the battery cell in real time and sends the detected current temperature of the battery cell and the state of a connecting wire transmitted by the detecting device to the controller; the controller can output different prompt messages based on the current temperature of the battery cell and the state of the connecting wire transmitted by the chip, so that the real-time monitoring of the battery state is realized.
In an alternative embodiment, as shown in fig. 4, the battery detection assembly includes: detection tag 102 and a controller, wherein detection tag includes thereon: chip 106, detecting device 104, connecting wire 112, target antenna 110, first wire 114, second wire 116, and third wire 118. In addition, for convenience in explaining the application scenario of the battery detection assembly, fig. 4 further includes a battery cell 122 and a pressure release valve 124 on the battery cell.
Optionally, the detection tag further comprises: and the signal transmitter is connected with the chip and used for transmitting the temperature state and the connection state to the controller.
In an alternative embodiment, as shown in fig. 4, a signal transmitter on the detection tag 102 is connected to the chip 106, and the signal transmitter can send the current temperature detected by the chip on the battery cell 122 and the connection state of the connection wire 116 to the controller in a wireless communication manner.
Optionally, the signal transmitter comprises: the first end of the connecting wire body is connected with the chip; and the target antenna is connected with the second end of the connecting wire body, and the signal transmitter is used for transmitting the temperature state and the connection state detected by the chip to the controller.
In an alternative embodiment, as shown in fig. 4, the signal transmitter includes: the signal transmitter composed of the connecting wire body and the target antenna realizes that the current temperature of the battery cell detected by the chip and the connection state of the connecting wire are sent to the controller in a wireless communication mode.
Optionally, the battery detection assembly includes: the detection label is arranged in a fitting mode with the pressure release valve, and the projection area of the detection label on the battery cell is larger than the installation area of the pressure release valve on the battery cell.
In an alternative embodiment, as shown in fig. 4, the connection line 116 on the detection tag is attached to the pressure release valve 124 of the battery cell, and the projection area of the detection tag on the cell is larger than the installation area of the pressure release valve on the cell, so that the detection tag can completely cover the pressure release valve of the battery cell.
Optionally, the battery detection assembly includes: the detecting device comprises a detecting line, the detecting line is arranged in a manner of being attached to the outer contour line of the pressure relief valve, and the pressure relief valve breaks the detecting line through releasing pressure in an opening state.
The detection line may be a connection line 116 on the detection label.
In an alternative embodiment, since the connection line of the detection tag covers and is attached to the pressure release valve of the battery cell, when the gas generated by the battery cell is discharged from the pressure release valve, the connection line can be broken, the detection tag can acquire whether the connection line is broken in real time, and when the detection tag detects that the connection line is broken, the pressure release valve of the battery cell can be determined to be in an open state.
Optionally, the detecting line includes: the first end of the first wire body is connected with the input end of the chip; the first end of the second wire body and the second end of the first wire body; and the first end of the third wire body is connected with the second end of the second wire body, and the second end of the third wire body is connected with the output end of the chip.
In an alternative embodiment, as shown in fig. 4, the first wire body corresponds to 114 in fig. 4, and one end of the first wire body is connected to the chip, and the other end is connected to the detecting device; the second wire body corresponds to 116 in fig. 4, and is annular and connected with the third wire body; the third wire corresponds to 118 in fig. 4, and one end of the third wire is connected to the detecting device, and the other end is connected to the second wire.
Optionally, the battery detection assembly includes: the second line body is in a zigzag shape and is attached to the outer contour line of the pressure relief valve.
In an alternative embodiment, as shown in fig. 4, the second wire body corresponds to 116 in fig. 4, and the second wire body is serrated and is connected with the third wire body; the second wire body is attached to the pressure release valve on the battery core.
Optionally, the battery detection assembly includes: the detecting device is made of fragile materials.
In an alternative embodiment, the second wire body may be made of a fragile material, so as to facilitate the bursting of the gas discharged from the pressure release valve.
In another alternative embodiment, since the connection line of the detection tag is covered and attached to the pressure release valve of the battery cell, and the connection line of the detection tag is made of a fragile material, when the gas generated by the battery cell is discharged from the pressure release valve, the connection line can be broken, whether the connection line is broken or not can be obtained in real time by the detection tag, and when the detection tag detects that the connection line is broken, the pressure release valve of the battery cell can be determined to be in an open state.
Optionally, the battery detection assembly includes: the outer surface of the detection device is coated with a conductive material, under the condition that no current exists between the first end and the second end of the detection device, the connection state of the detection device is that the detection device is disconnected, and under the condition that current exists between the first end and the second end of the detection device, the connection state of the detection device is that the detection device is not disconnected.
In an alternative embodiment, the outer surface of the second wire body is coated with a conductive material, in practical application, current can be conducted to the second wire body, and when the detection device detects that the current in the second wire body is not conducted, it can be determined that the second wire body is disconnected; when the detecting device detects that the current in the second wire is conducted, it can be determined that the second wire is not disconnected.
Example 2
According to another aspect of the embodiments of the present invention, a battery monitoring device is provided, where the device may perform the battery monitoring method of the foregoing embodiments, and the specific implementation method and the preferred application scenario are the same as those of the foregoing embodiments, and are not described herein.
Fig. 5 is a schematic view of a battery monitoring device according to an embodiment of the present application, as shown in fig. 5, the device includes the following: an acquisition module 502, a first detection module 504, a second detection module 506, and an output module 508.
The system comprises an acquisition module, a detection module and a control module, wherein the acquisition module is used for responding to a monitoring instruction for monitoring a target battery to acquire the label state of a target label in the target battery, wherein the label state comprises the target temperature of the target battery acquired by the target label and the connection line state of the target label, and the connection line state is used for indicating whether a connection line on the target label is disconnected or not; the first detection module is used for detecting the target battery based on the target temperature to obtain a first detection result, wherein the first detection result is used for indicating whether the target battery is in a temperature out-of-control state; the second detection module is used for detecting the target battery based on the state of the connecting wire to obtain a second detection result, wherein the second detection result is used for indicating whether the target battery is in a state that the pressure release valve is opened or not; and the output module is used for outputting target prompt information based on the first detection result and the second detection result.
In the above embodiments of the present application, the first detection module includes: the device comprises a first judging unit, a second judging unit and a determining unit.
The first judging unit is used for judging whether the first temperature is greater than a first preset temperature, wherein the first temperature is the current temperature of a first electric core in the target battery; the second judging unit is used for responding to the fact that the first temperature is larger than a first preset temperature and judging whether the second temperature is larger than a second preset temperature, wherein the second temperature is the current temperature of a second electric core in the target battery, and the second electric core is adjacent to the first electric core; the determining unit is used for determining a first detection result based on a third temperature and a third preset temperature in response to the second temperature being greater than the second preset temperature, wherein the third temperature is the current temperature of a third electric core in the target battery, the third electric core is adjacent to the second electric core, and the third electric core is not adjacent to the first electric core.
In the above embodiment of the present application, the determining unit includes: a subunit is determined.
The determining subunit is used for determining that the first detection result is used for indicating that the target battery is in a temperature out-of-control state in response to the fact that the third temperature is larger than a third preset temperature.
In the above embodiments of the present application, the output module includes: a first output unit.
The first output unit is used for responding to the fact that the second temperature is smaller than or equal to a second preset temperature and outputting first prompt information, wherein the first prompt information is used for indicating that the target battery is at risk of a temperature runaway state; or, outputting the first prompt information in response to the third temperature being less than or equal to the third preset temperature.
In the above embodiment of the present application, the output module further includes: and a second output unit.
The second output unit is used for responding to the second detection result to indicate that the target battery is in a state that the pressure relief valve is opened, the first detection result is used for indicating that the target battery is in a state that the temperature is out of control, and the second output unit is used for outputting second prompt information, wherein the second prompt information is used for indicating that the target battery is in the state that the temperature is out of control.
In the above embodiment of the present application, the output module further includes: and a third output unit.
The third output unit is used for responding to the connecting line state and used for indicating that the connecting line on the target label is not disconnected, and the target label is abnormally connected with the target battery, and outputting third prompt information, wherein the third prompt information is used for indicating that the target label is in a fault state.
In the above embodiment of the present application, the output module further includes: and a fourth output unit.
The fourth output unit is used for responding to the second detection result to indicate that the target battery is in a state that the pressure release valve is opened and the target battery is not in a state of temperature runaway, and outputting fourth prompt information, wherein the fourth prompt information is used for indicating that the target battery is not in the state of temperature runaway; or, responding to the connection line state to indicate that the connection line on the target label is not disconnected, and the target label is normally connected with the target battery, and outputting fourth prompt information.
Example 3
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium including a stored program, wherein the above battery monitoring method is executed in a processor of a device in which the program is controlled to run.
The computer storage medium in the above steps may be a medium for storing a certain discrete physical quantity in a computer memory, and the computer storage medium mainly includes a semiconductor, a magnetic core, a magnetic drum, a magnetic tape, a laser disk, and the like. The computer readable storage medium may include a stored program which may be a set of instructions which can be recognized and executed by a computer, running on an electronic computer, and which may be an informative tool for meeting certain needs of a person.
Example 4
According to another aspect of an embodiment of the present invention, there is also provided a vehicle, one or more processors; a storage means for storing one or more programs; the one or more programs, when executed by the one or more processors, cause the one or more processors to perform the battery monitoring method described above.
The memory device in the above steps may be a kind of sequential logic circuit, and is used for storing memory components such as data and instructions, and is mainly used for storing programs and data; a processor may be a functional unit that interprets and executes instructions, and has a unique set of operating commands, which may be referred to as the processor's instruction set, as memory, call-in, etc.; the storage device stores a computer program, which can be a set of instructions that can be identified and executed by a computer, and an informatization tool that runs on an electronic computer and meets certain demands of people.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including 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 method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. A battery monitoring method, comprising:
in response to receiving a monitoring instruction for monitoring a target battery, acquiring a tag state of a target tag in the target battery, wherein the tag state comprises a target temperature of the target battery acquired by the target tag and a connecting line state of the target tag, the connecting line state is used for indicating whether a connecting line on the target tag is disconnected or not, and the target temperature is used for indicating temperatures of a plurality of adjacent battery cells in the target battery detected by the target tag;
detecting the target battery based on the target temperature to obtain a first detection result, wherein the first detection result is used for indicating whether the target battery is in a temperature out-of-control state;
detecting the target battery based on the connecting line state to obtain a second detection result, wherein the second detection result is used for indicating whether the target battery is in a pressure release valve opening state or not;
And outputting target prompt information based on the first detection result and the second detection result.
2. The battery monitoring method according to claim 1, wherein the target temperature includes a first temperature, a second temperature, and a third temperature, detecting the target battery based on the target temperature, and obtaining a first detection result includes:
judging whether the first temperature is greater than a first preset temperature, wherein the first temperature is the current temperature of a first electric core in the target battery;
judging whether the second temperature is greater than a second preset temperature or not in response to the first temperature being greater than the first preset temperature, wherein the second temperature is the current temperature of a second electric core in the target battery, and the second electric core is adjacent to the first electric core;
and determining the first detection result based on the third temperature and a third preset temperature in response to the second temperature being greater than the second preset temperature, wherein the third temperature is the current temperature of a third cell in the target battery, the third cell is adjacent to the second cell, and the third cell is not adjacent to the first cell.
3. The battery monitoring method of claim 2, wherein determining the first detection result based on the third temperature and a third preset temperature in response to the second temperature being greater than the second preset temperature comprises:
and determining that the first detection result is used for indicating that the target battery is in the temperature out-of-control state in response to the third temperature being greater than the third preset temperature.
4. The battery monitoring method according to claim 2, wherein a target hint information is output based on the first detection result and the second detection result, the target hint information including a first hint information, comprising:
outputting the first prompt information in response to the second temperature being less than or equal to the second preset temperature, wherein the first prompt information is used for indicating that the target battery is at risk of the temperature runaway state;
or alternatively, the first and second heat exchangers may be,
and outputting the first prompt information in response to the third temperature being less than or equal to the third preset temperature.
5. The battery monitoring method of claim 4, wherein outputting a target hint information based on the first detection result and the second detection result, the target hint information further comprising a second hint information, comprises:
And responding to the second detection result to indicate that the target battery is in the pressure release valve opening state, wherein the first detection result is used to indicate that the target battery is in the temperature runaway state, and outputting the second prompt information, wherein the second prompt information is used to indicate that the target battery is in the thermal runaway state.
6. The battery monitoring method of claim 4, wherein outputting a target hint information based on the first detection result and the second detection result, the target hint information further comprising a third hint information, comprising:
and responding to the connection line state to indicate that the connection line on the target label is not disconnected, and the connection between the target label and the target battery is abnormal, and outputting the third prompt information, wherein the third prompt information is used for indicating that the target label is in a fault state.
7. The battery monitoring method of claim 6, wherein outputting a target hint information based on the first detection result and the second detection result, the target hint information further comprising a fourth hint information, comprises:
responding to the second detection result to indicate that the target battery is in the pressure release valve opening state and the target battery is not in the temperature runaway state, and outputting the fourth prompt information, wherein the fourth prompt information is used to indicate that the target battery is not in the temperature runaway state;
Or alternatively, the first and second heat exchangers may be,
and responding to the connection line state to indicate that the connection line on the target label is not disconnected, and the target label is normally connected with the target battery, and outputting the fourth prompt information.
8. A battery monitoring device, comprising:
the device comprises an acquisition module, a detection module and a control module, wherein the acquisition module is used for responding to a monitoring instruction for monitoring a target battery and acquiring a label state of a target label in the target battery, wherein the label state comprises a target temperature of the target battery acquired by the target label and a connecting line state of the target label, and the connecting line state is used for indicating whether a connecting line on the target label is disconnected or not;
the first detection module is used for detecting the target battery based on the target temperature to obtain a first detection result, wherein the first detection result is used for indicating whether the target battery is in a temperature out-of-control state;
the second detection module is used for detecting the target battery based on the connecting line state to obtain a second detection result, wherein the second detection result is used for indicating whether the target battery is in a pressure release valve opening state or not;
And the output module is used for outputting target prompt information based on the first detection result and the second detection result.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored program, wherein the program, when run, controls a processor of a device in which the battery monitoring method of any one of claims 1 to 7 is performed.
10. An electronic device, comprising:
one or more processors;
a storage means for storing one or more programs;
the one or more programs, when executed by the one or more processors, cause the one or more processors to perform the battery monitoring method of any of claims 1-7.
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