CN106716161B - Battery control method and system and battery - Google Patents

Battery control method and system and battery Download PDF

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Publication number
CN106716161B
CN106716161B CN201680002541.5A CN201680002541A CN106716161B CN 106716161 B CN106716161 B CN 106716161B CN 201680002541 A CN201680002541 A CN 201680002541A CN 106716161 B CN106716161 B CN 106716161B
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battery
state information
information
controller
generation time
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CN106716161A (en
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郑大阳
王文韬
王雷
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SZ DJI Technology Co Ltd
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SZ DJI Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The embodiment of the invention provides a battery control method, a system and a battery, wherein the method comprises the following steps: recording relevant information of the battery and the generation time of the relevant information in real time in the running process of the battery; storing relevant information of the battery and generation time of the relevant information in real time; and when a reading instruction is received, outputting the relevant information of the battery and the generation time of the relevant information according to the reading instruction. Therefore, the embodiment records the relevant information of the battery in a period of time, the accuracy of the relevant information of the battery in the period of time for locating the fault problem is higher, and the relevant information of the battery in the period of time can facilitate the running state monitoring of the battery.

Description

Battery control method and system and battery
Technical Field
The embodiment of the invention relates to the technical field of batteries, in particular to a battery control method and system and a battery.
Background
The battery is the power source of system, is the heart of whole system, especially in the place of high security, the stability operation such as electric automobile and unmanned aerial vehicle. Use unmanned aerial vehicle as an example, at the in-process that the battery provided power to unmanned aerial vehicle, if the battery had broken down, probably caused the phenomenon that "explodes the machine" to appear in unmanned aerial vehicle, brought very big loss. Therefore, there is a need to troubleshoot battery failures so that "blow-out" is avoided to the greatest extent possible. However, at present, the battery can only record the operation parameters of the battery at the moment of the fault, and the accuracy of the operation parameters of the battery at the moment for positioning the fault problem is low.
Disclosure of Invention
The embodiment of the invention provides a battery control method and system and a battery, which are used for improving the accuracy of the positioning fault problem of the battery.
In a first aspect, an embodiment of the present invention provides a method for controlling a battery, including: recording relevant information of the battery and the generation time of the relevant information in real time in the running process of the battery; storing relevant information of the battery and generation time of the relevant information in real time; and when a reading instruction is received, outputting the relevant information of the battery and the generation time of the relevant information according to the reading instruction.
Optionally, the storing the related information of the battery and the generation time of the related information in real time includes: storing the relevant information of the battery and the generation time of the relevant information in a non-volatile memory in real time.
Optionally, the non-volatile memory is a ferroelectric memory.
Optionally, the battery is provided with an analysis interface for communication connection with an external device, the analysis interface is electrically connected with the nonvolatile memory, and the external device can acquire the relevant information of the battery and the generation time of the relevant information through the analysis interface to analyze the cause of the failure of the battery.
Optionally, the related information includes at least one of: the battery protection method comprises the following steps of obtaining running parameters of the battery, abnormal running parameters of the battery in the running process, protection event information of the battery aiming at the abnormal running parameters, running state information of a controller of the battery and memory state information of the controller of the battery.
Optionally, the method of this embodiment further includes: when the controller needs abnormal reset, acquiring the stored running state information and memory state information of the controller and the generation time of the running state information and the memory state information; and rapidly resetting the controller to a normal operation state according to the operation state information and the memory state information of the controller and the generation time of the operation state information and the memory state information.
Optionally, the battery is provided with a read-write interface for connecting with the controller, the read-write interface is electrically connected with the nonvolatile memory, and the controller can acquire the running state information and the memory state information of the controller and the generation time of the running state information and the memory state information through the analysis interface to continue running from a normal time.
Optionally, when the reading instruction is used for reading an operating parameter; the outputting the relevant information of the battery and the generation time of the relevant information according to the reading instruction comprises: and outputting the operation parameters of the battery and the generation time of the operation parameters according to the reading instruction.
Optionally, when the read instruction is used for reading protection event information; the outputting the relevant information of the battery and the generation time of the relevant information according to the reading instruction comprises: and outputting abnormal operation parameters of the battery in the operation process, protection event information generated by the battery aiming at the abnormal operation parameters and corresponding generation time according to the reading instruction.
Optionally, when the reading instruction is used for reading information of a controller; the outputting the relevant information of the battery and the generation time of the relevant information according to the reading instruction comprises: and outputting the running state information and the memory state information of the controller and the generation time of the running state information and the memory state information according to the reading instruction.
According to the control method of the battery provided by the embodiment of the invention, the relevant information of the battery in a period of time is stored through real-time recording and real-time storage, the accuracy of the relevant information of the battery in the period of time for positioning the fault problem is higher, and the relevant information of the battery in the period of time can be convenient for monitoring the running state of the battery.
In a second aspect, an embodiment of the present invention provides a control system for a battery, including: the controller is used for recording relevant information of the battery and the generation time of the relevant information in real time in the running process of the battery; the memory is electrically connected with the controller and is used for storing the relevant information of the battery and the generation time of the relevant information in real time; when a reading instruction is received, the memory outputs the relevant information of the battery and the generation time of the relevant information according to the reading instruction.
Optionally, the memory is a non-volatile memory.
Optionally, the non-volatile memory is a ferroelectric memory.
Optionally, the system is provided with an analysis interface for communication connection with an external device, the analysis interface is electrically connected with the nonvolatile memory, and the external device can acquire the relevant information of the battery stored in the nonvolatile memory and the generation time of the relevant information through the analysis interface to analyze the cause of the failure of the battery.
Optionally, the related information includes at least one of: the operation parameters of the battery, the abnormal operation parameters of the battery in the operation process, the protection event information of the battery aiming at the abnormal operation parameters, the operation state information of the controller and the memory state information of the controller.
Optionally, the controller is further configured to obtain stored running state information and memory state information of the controller and generation time of the running state information and the memory state information when the controller needs to be abnormally reset; and rapidly resetting the controller to a normal operation state according to the operation state information and the memory state information of the controller and the generation time of the operation state information and the memory state information.
Optionally, the system is provided with a read-write interface connected with the controller, the read-write interface is electrically connected with the nonvolatile memory, and the controller can acquire the running state information and the memory state information of the controller and the generation time of the running state information and the memory state information through the read-write interface so as to continue running from a normal time.
Optionally, when the reading instruction is used for reading an operating parameter; the memory is specifically configured to: and outputting the operation parameters of the battery and the generation time of the operation parameters according to the reading instruction.
Optionally, when the read instruction is used for reading protection event information; the memory is specifically configured to: and outputting abnormal operation parameters of the battery in the operation process, protection event information generated by the battery aiming at the abnormal operation parameters and corresponding generation time according to the reading instruction.
Optionally, when the reading instruction is used for reading information of a controller; the memory is specifically configured to: and outputting the running state information and the memory state information of the controller and the generation time of the running state information and the memory state information according to the reading instruction.
According to the control system of the battery provided by the embodiment of the invention, the relevant information of the battery in a period of time is stored through real-time recording and real-time storage, the accuracy of the relevant information of the battery in the period of time for positioning the fault problem is higher, and the relevant information of the battery in the period of time can be convenient for monitoring the running state of the battery.
In a third aspect, an embodiment of the present invention provides a battery, including: a housing; a control system as provided in the second aspect of the invention, mounted within the housing; and one or more cells mounted within the housing; the battery cell is electrically connected with the control system, and the control system controls the charging state or the discharging state of the battery cell.
According to the battery provided by the embodiment of the invention, the relevant information of the battery in a period of time is stored through real-time recording and real-time storage, the accuracy of the relevant information of the battery in the period of time for positioning the fault problem is higher, and the relevant information of the battery in the period of time can be convenient for monitoring the running state of the battery.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a flowchart of a battery control method according to an embodiment of the present invention;
fig. 2 is a flowchart of a battery control method according to a second embodiment of the present invention;
fig. 3 is a flowchart of a battery control method according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a control system of a battery according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a control system of a battery according to a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a battery according to an embodiment of the present invention;
fig. 7 is a partial view of the battery shown in fig. 6 taken along a-a.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a flowchart of a method for controlling a battery according to an embodiment of the present invention, and as shown in fig. 1, the method of this embodiment may include:
s101, recording related information of the battery and generation time of the related information in real time in the running process of the battery.
And S102, storing the relevant information of the battery and the generation time of the relevant information in real time.
S103, when a reading instruction is received, outputting the relevant information of the battery and the generation time of the relevant information according to the reading instruction.
In this embodiment, when the battery is in operation, for example, the battery is in a charging state and/or a discharging state, the related information of the battery may change in real time, and therefore, the embodiment may record the related information of the battery and the generation time of the related information in real time, for example, record the related information of the battery at the 1 st second, the related information of the battery at the 2 nd second, the related information of the battery at the 3 rd second, and the like. And then storing the related information of the battery recorded in real time and the generation time of the related information in real time, so that the related information of the battery in the operation period is stored. When a reading instruction is received, the stored relevant information of the battery and the generation time of the relevant information are output according to the reading instruction, namely the relevant information of the battery in an operation period is output.
In the embodiment, the relevant information of the battery and the generation time of the relevant information are recorded in real time in the running process of the battery; storing relevant information of the battery and generation time of the relevant information in real time; and when a reading instruction is received, outputting the relevant information of the battery and the generation time of the relevant information according to the reading instruction. Therefore, the embodiment records the relevant information of the battery in a period of time, the accuracy of the relevant information of the battery in the period of time for locating the fault problem is higher, and the relevant information of the battery in the period of time can facilitate the running state monitoring of the battery.
Fig. 2 is a flowchart of a battery control method according to a second embodiment of the present invention, and as shown in fig. 2, the method according to this embodiment may include:
s201, recording relevant information of the battery and generation time of the relevant information in real time in the running process of the battery.
In this embodiment, a specific implementation process of S201 may refer to related descriptions in the embodiment shown in fig. 1, and details are not described here.
S202, storing the relevant information of the battery and the generation time of the relevant information in a nonvolatile memory in real time.
In this embodiment, the information on the battery and the generation time of the information on the battery recorded in real time at each time are stored in the nonvolatile memory in real time. The nonvolatile memory stores the relevant information of the battery in the operation period, the relevant information of the battery and the generation time of the relevant information can be stored in real time and rapidly through the nonvolatile memory, the power failure is avoided, and the integrity of the relevant information of the battery and the generation time of the relevant information in the operation period of the battery is ensured.
Alternatively, the nonvolatile memory described above may be a ferroelectric memory.
S203, when a reading instruction is received, outputting the relevant information of the battery and the generation time of the relevant information according to the reading instruction.
In this embodiment, a specific implementation process of S203 may refer to related descriptions in the embodiment shown in fig. 1, and details are not described here.
According to the embodiment, the non-volatile memory stores the relevant information of the battery in a period of time through real-time recording and real-time storage, the accuracy of the relevant information of the battery in the period of time for positioning the fault problem is higher, and the relevant information of the battery in the period of time can be convenient for monitoring the running state of the battery.
In this embodiment, the battery is provided with an analysis interface for communication connection with an external device, the analysis interface is electrically connected to the nonvolatile memory, and the external device can acquire the relevant information of the battery and the generation time of the relevant information through the analysis interface to analyze the cause of the battery failure. The nonvolatile memory may output the information related to the battery and the generation time of the related information, i.e., the information related to the battery and the generation time of the related information within the operation period, to an external device through the analysis interface, and the output efficiency is improved through the analysis interface. Moreover, the external device can analyze the cause of the battery failure by using the relevant information of the battery and the generation time of the relevant information in the operation period, the accuracy of the analyzed cause of the battery failure is higher, and the external device can monitor the operation state of the battery by using the relevant information of the battery and the generation time of the relevant information in the operation period.
Optionally, the related information includes at least one of: the battery protection method comprises the following steps of obtaining running parameters of the battery, abnormal running parameters of the battery in the running process, protection event information of the battery aiming at the abnormal running parameters, running state information of a controller of the battery and memory state information of the controller of the battery.
Wherein the operating parameters of the battery may include at least one of: voltage, current, temperature, charge/discharge state (charge/discharge frequency, etc.), etc., it should be noted that the operation parameters of the battery are not limited thereto. Taking the voltage as an example, the present embodiment records the voltage of the battery at each moment in the operation period in real time, that is, the voltage condition in the operation period can be recorded.
The abnormal operation parameters of the battery in the operation process include, for example, over-high temperature, over-low temperature, over-high voltage, over-low voltage, damage to the battery core, and accordingly, the protection event information of the battery generated for the abnormal operation parameters includes, for example: stopping power supply, reducing output power, reducing output voltage, reducing output current, alarming and the like.
When the reading instruction is used for reading the operation parameters; the outputting the relevant information of the battery and the generation time of the relevant information according to the reading instruction comprises: and outputting the operation parameters of the battery and the generation time of the operation parameters according to the reading instruction.
In one possible implementation, when the read instruction is used to read an operating parameter; s203 may be: and outputting the operation parameters of the battery and the generation time of the operation parameters according to the reading instruction. Alternatively, the external device may input a reading instruction for reading the operation parameter to the non-volatile memory through the analysis interface, and then acquire the operation parameter of the battery and the generation time of the operation parameter through the analysis interface.
In one possible implementation, when the read instruction is used to read protection event information; s203 may be: and outputting abnormal operation parameters of the battery in the operation process, protection event information generated by the battery aiming at the abnormal operation parameters and corresponding generation time according to the reading instruction. Optionally, the external device may input a reading instruction for reading the protection event information to the non-volatile memory through the analysis interface, and then obtain the abnormal operation parameter of the battery during the operation process, the protection event information generated by the battery for the abnormal operation parameter, and the corresponding generation time through the analysis interface.
In one possible implementation, when the read instruction is used to read information of a controller; s203 may be: and outputting the running state information and the memory state information of the controller and the generation time of the running state information and the memory state information according to the reading instruction. Alternatively, the external device may input a read instruction for reading information of the controller to the non-volatile memory through the analysis interface, and then acquire the operation state information of the controller and the generation time of the operation state information, and the memory state information of the controller and the generation time of the memory state information through the analysis interface.
Fig. 3 is a flowchart of a battery control method according to a third embodiment of the present invention, and as shown in fig. 3, the method according to this embodiment may further include, on the basis of the embodiment shown in fig. 1 or fig. 2:
s301, when the controller of the battery needs abnormal reset, the stored running state information and memory state information of the controller and the generation time of the running state information and the memory state information are obtained.
S302, rapidly resetting the controller to a normal operation state according to the operation state information and the memory state information of the controller and the generation time of the operation state information and the memory state information.
In this embodiment, after executing S101 and S102, or after executing S201 and S202, the relevant information of the battery includes: the operating state information of the controller and the memory state information of the controller.
When a controller (also called as MCU) of a battery needs abnormal reset, acquiring the running state information of the controller and the generation time of the running state information in a stored running time period, and the memory state information of the controller and the generation time of the memory state information in the running time period; the controller is then quickly reset to a normal operating state accordingly. For example: determining the running state information, the memory state information and the generation time of the controller in a normal running state from the generation time of the running state information and the running state information of the controller in a running period and the generation time of the memory state information and the memory state information of the controller in the running period, determining the running state information and the memory state information in the normal running state with the generation time closest to the current time, setting the running state and the memory state of the controller according to the running state information and the memory state information in the normal running state with the generation time closest to the current time, and setting the set running state and the memory state as the latest normal running state and memory state. Thereby improving the reset efficiency and accuracy of the controller.
Optionally, when the running state information and the memory state information of the controller and the generation time of the running state information and the memory state information are stored in a non-volatile memory in real time, the battery is provided with a read-write interface for connecting with the controller, the read-write interface is electrically connected with the non-volatile memory, and the controller can acquire the running state information and the memory state information of the controller and the generation time of the running state information and the memory state information through the analysis interface to continue to operate from a normal time. The nonvolatile memory can output the running state information and the memory state information of the controller and the generation time of the running state information and the memory state information to the controller through the read-write interface, namely the running state information and the memory state information of the controller in the running time period and the generation time of the running state information and the memory state information, and the efficiency of acquiring the information by the controller is improved through the read-write interface.
Fig. 4 is a schematic structural diagram of a control system of a battery according to an embodiment of the present invention, and as shown in fig. 4, the control system of this embodiment may include: a controller 11 and a memory 12.
The controller 11 is used for recording relevant information of the battery and the generation time of the relevant information in real time in the operation process of the battery; and
a memory 12 electrically connected to the controller 11, wherein the memory 12 is used for storing the related information of the battery and the generation time of the related information in real time;
wherein, when receiving a reading instruction, the memory 12 outputs the relevant information of the battery and the generation time of the relevant information according to the reading instruction.
Optionally, when the reading instruction is used for reading an operating parameter; the memory 12 is specifically configured to: and outputting the operation parameters of the battery and the generation time of the operation parameters according to the reading instruction.
Optionally, when the read instruction is used for reading protection event information; the memory 12 is specifically configured to: and outputting abnormal operation parameters of the battery in the operation process, protection event information generated by the battery aiming at the abnormal operation parameters and corresponding generation time according to the reading instruction.
Alternatively, when the read instruction is used to read information of the controller 11; the memory 12 is specifically configured to: and outputting the running state information and the memory state information of the controller 11 and the generation time of the running state information and the memory state information according to the reading instruction.
The apparatus of this embodiment may be configured to implement the technical solutions of the above method embodiments, and the implementation principle and the technical effect are similar, which are not described herein again.
Fig. 5 is a schematic structural diagram of a control system of a battery according to a second embodiment of the present invention, and as shown in fig. 5, the control system of this embodiment is based on the control system structure shown in fig. 4, and optionally, the memory 12 is a nonvolatile memory 13.
Optionally, the non-volatile memory 13 is a ferroelectric memory.
Optionally, the control system is provided with an analysis interface 14 for communicating with an external device 20, the analysis interface 14 is electrically connected to the nonvolatile memory 13, and the external device 20 can acquire the relevant information of the battery stored in the nonvolatile memory 13 and the generation time of the relevant information through the analysis interface 14 to analyze the cause of the battery failure.
Optionally, the related information includes at least one of: the operation parameters of the battery, the abnormal operation parameters of the battery in the operation process, and the protection event information of the battery generated aiming at the abnormal operation parameters, the operation state information of the controller 11, and the memory state information of the controller 11.
Optionally, the controller 11 is further configured to obtain stored running state information and memory state information of the controller 11 and generation time of the running state information and the memory state information when the controller 11 needs to be abnormally reset; and rapidly resetting the controller 11 to a normal operation state according to the operation state information and the memory state information of the controller 11 and the generation time of the operation state information and the memory state information.
Optionally, the control system is provided with a read-write interface 15 connected to the controller 11, the read-write interface 15 is electrically connected to the nonvolatile memory 13, and the controller 11 can obtain the operation state information and the memory state information of the controller 11 and the generation time of the operation state information and the memory state information through the read-write interface 15 to continue to operate from a normal time.
Optionally, when the reading instruction is used for reading an operating parameter; the nonvolatile memory 13 is specifically configured to: and outputting the operation parameters of the battery and the generation time of the operation parameters according to the reading instruction.
Optionally, when the read instruction is used for reading protection event information; the nonvolatile memory 13 is specifically configured to: and outputting abnormal operation parameters of the battery in the operation process, protection event information generated by the battery aiming at the abnormal operation parameters and corresponding generation time according to the reading instruction.
Alternatively, when the read instruction is used to read information of the controller 11; the nonvolatile memory 13 is specifically configured to: and outputting the running state information and the memory state information of the controller 11 and the generation time of the running state information and the memory state information according to the reading instruction.
The apparatus of this embodiment may be configured to implement the technical solutions of the above method embodiments, and the implementation principle and the technical effect are similar, which are not described herein again.
Fig. 6 is a schematic structural diagram of a battery according to an embodiment of the present invention, and fig. 7 is a partial view of the battery shown in fig. 6 along a-a, where as shown in fig. 6 and 7, the battery according to the embodiment includes: a housing 31, a control system 32, and one or more cells 33; wherein, the control system 32 is installed in the shell 31; one or more cells 33 mounted within the housing 31;
the battery cell 33 is electrically connected to the control system 32, and the control system 32 controls a charging state or a discharging state of the battery cell 33. The control system 32 may adopt the structure of the control system embodiment of the battery shown in fig. 4 or fig. 5, and accordingly, may execute the technical solution of any one of the above method embodiments, and the implementation principle and the technical effect thereof are similar, and are not described herein again.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: Read-Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disk, and other various media capable of storing program codes.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (12)

1. A control method of a battery, characterized by comprising:
recording relevant information of a battery and generation time of the relevant information in real time in the operation process of the battery, wherein the battery comprises a shell, a battery core installed in the shell and a nonvolatile memory installed in the shell;
storing relevant information of the battery in an operation time period and the generation time of the relevant information in the nonvolatile memory in real time; wherein the related information comprises: abnormal operation parameters of the battery in the operation process and protection event information generated by the battery aiming at the abnormal operation parameters;
when a reading instruction is received, outputting relevant information of the battery in an operation time period and generation time of the relevant information according to the reading instruction; the battery is provided with an analysis interface which is used for being in communication connection with an external device, the analysis interface is electrically connected with the nonvolatile memory, and the external device can acquire relevant information of the battery and generation time of the relevant information through the analysis interface so as to analyze the reason of the failure of the battery;
wherein the method further comprises:
when the controller of the battery needs abnormal reset, acquiring the stored running state information and memory state information of the controller and the generation time of the running state information and the memory state information;
and rapidly resetting the controller to a normal operation state according to the operation state information and the memory state information of the controller and the generation time of the operation state information and the memory state information.
2. The method of claim 1, wherein the non-volatile memory is a ferroelectric memory.
3. The method according to claim 1, wherein the battery is provided with a read-write interface for connecting with the controller, the read-write interface is electrically connected with the nonvolatile memory, and the controller can acquire the running state information and the memory state information of the controller and the generation time of the running state information and the memory state information through the read-write interface so as to continue running from a normal time.
4. A method according to any of claims 1-3, characterized in that when the read instruction is used to read an operating parameter; the outputting the relevant information of the battery and the generation time of the relevant information according to the reading instruction comprises: and outputting the operation parameters of the battery and the generation time of the operation parameters according to the reading instruction.
5. A method according to any of claims 1-3, characterized in that when the read instruction is used for reading protection event information; the outputting the relevant information of the battery and the generation time of the relevant information according to the reading instruction comprises: and outputting abnormal operation parameters of the battery in the operation process, protection event information generated by the battery aiming at the abnormal operation parameters and corresponding generation time according to the reading instruction.
6. The method according to any one of claims 1 to 3, wherein when the read instruction is used to read information of a controller; the outputting the relevant information of the battery and the generation time of the relevant information according to the reading instruction comprises: and outputting the running state information and the memory state information of the controller and the generation time of the running state information and the memory state information according to the reading instruction.
7. A battery, comprising:
a housing;
a control system mounted within the housing; and
one or more cells mounted within the housing;
the battery cell is electrically connected with the control system, and the control system controls the charging state or the discharging state of the battery cell;
the controller is used for recording relevant information of the battery and the generation time of the relevant information in real time in the running process of the battery; and
the nonvolatile memory is electrically connected with the controller and is used for storing the relevant information of the battery in an operation time period and the generation time of the relevant information in real time;
when a reading instruction is received, the nonvolatile memory outputs the relevant information of the battery in the operation time period and the generation time of the relevant information according to the reading instruction;
wherein the related information comprises: abnormal operation parameters of the battery in the operation process and protection event information generated by the battery aiming at the abnormal operation parameters;
the controller is further used for acquiring the stored running state information and memory state information of the controller and the generation time of the running state information and the memory state information when the controller needs abnormal reset; and according to the running state information and the memory state information of the controller and the generation time of the running state information and the memory state information, rapidly resetting the controller to a normal running state;
the control system is provided with an analysis interface which is in communication connection with an external device, the analysis interface is electrically connected with the nonvolatile memory, and the external device can acquire the relevant information of the battery and the generation time of the relevant information stored in the nonvolatile memory through the analysis interface so as to analyze the reason of the failure of the battery.
8. The battery of claim 7, wherein the non-volatile memory is a ferroelectric memory.
9. The battery of claim 7, wherein the control system is provided with a read-write interface connected with the controller, the read-write interface is electrically connected with the nonvolatile memory, and the controller can acquire the running state information and the memory state information of the controller and the generation time of the running state information and the memory state information through the read-write interface to continue running from a normal time.
10. The battery according to any one of claims 7-9, wherein when the read instruction is used to read an operating parameter; the non-volatile memory is specifically configured to: and outputting the operation parameters of the battery and the generation time of the operation parameters according to the reading instruction.
11. The battery according to any one of claims 7-9, wherein when the read instruction is used to read protection event information; the non-volatile memory is specifically configured to: and outputting abnormal operation parameters of the battery in the operation process, protection event information generated by the battery aiming at the abnormal operation parameters and corresponding generation time according to the reading instruction.
12. The battery according to any one of claims 7-9, wherein when the read command is used to read information of a controller; the non-volatile memory is specifically configured to: and outputting the running state information and the memory state information of the controller and the generation time of the running state information and the memory state information according to the reading instruction.
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