CN110596603B - Battery information generation method and device - Google Patents
Battery information generation method and device Download PDFInfo
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- CN110596603B CN110596603B CN201910905971.3A CN201910905971A CN110596603B CN 110596603 B CN110596603 B CN 110596603B CN 201910905971 A CN201910905971 A CN 201910905971A CN 110596603 B CN110596603 B CN 110596603B
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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]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
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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
Abstract
The embodiment of the application discloses a method and a device for generating battery information, wherein when a battery is used on an electric automobile, first battery information of the battery is recorded; after the battery is replaced from the electric automobile, continuously detecting the battery, for example, continuously using the battery on a test vehicle or performing an experiment in a laboratory, and obtaining second battery information of the battery; third battery information for the battery is generated based on the first battery information and the second battery information. Therefore, based on the characteristic that the battery is not in a scrapped state when being replaced, the battery information generated when the battery is used on the electric automobile is obtained, and the battery information after the battery is replaced is obtained through continuous detection after the battery is replaced.
Description
Technical Field
The present application relates to the field of battery technologies, and in particular, to a method and an apparatus for generating battery information.
Background
An electric vehicle (BEV) is a vehicle driven by a motor and driven by a vehicle-mounted power supply, and meets various requirements of road traffic and safety regulations. With the development and maturity of various technologies (especially battery technologies) in the BEV, and due to the advantages of the BEV (such as no waste gas exhaust during running and no environmental pollution due to the use of electric energy, high energy utilization rate, simple structure, omission of structures such as an engine, a transmission, an oil tank, a cooling and exhaust system, and low noise), the BEV has a wide prospect, and is more and more common in people's life.
BEVs are developed and popularized with batteries occupying a critical area of influence. At present, the service life of the battery is short, and the battery needs to be replaced once in a few years, so that the cost is very high. However, the batteries are not in a scrap condition when replaced for safer and more reliable powering of the BEV. Therefore, it is imperative to provide a generation scheme of more complete information about the battery, provide more information about the battery for the user, and improve the experience of the user using the battery, thereby improving the experience of the user using the BEV.
Disclosure of Invention
The embodiment of the application provides a method and a device for generating battery information, which can generate all battery information of a battery with a life cycle as long as possible for the battery, so that a user can more comprehensively know the condition of the battery, the experience of the user in using the battery is improved, and the experience of the user in using the BEV is improved.
In a first aspect, a method for generating battery information is provided, including:
acquiring all battery information of a first battery before a first moment, and recording the battery information as the first battery information of the first battery, wherein the first moment is the moment when the battery stops being used on an electric automobile;
obtaining second battery information of the first battery based on the continuous detection of the first battery;
and generating third battery information of the first battery according to the first battery information and the second battery information.
Optionally, the first battery information and the second battery information each include: basic information and fault information, wherein the basic information comprises: battery model, battery equipment sign, charge time and discharge time, the fault information includes: time to failure, type of failure, and cause of failure.
Optionally, the method further comprises:
and saving the third battery information of the first battery to a target database.
Optionally, when the second battery of the electric vehicle fails, the method further comprises:
traversing the target database, and determining a third battery matched with the basic information of the second battery;
and determining the fault type and fault reason of the second battery based on the fault information of the third battery.
Optionally, the determining the fault type and the fault cause of the second battery based on the fault information of the third battery includes:
traversing fault information of the third battery, and determining a fourth battery matched with the fault time of the second battery, wherein the third battery comprises the fourth battery;
and determining the fault type and the fault reason of the second battery based on the fault type and the fault reason of the fourth battery.
Optionally, the method further comprises:
based on the target database, a replacement time or a replacement condition of the battery for each battery type is determined.
Optionally, the method further comprises:
estimating the fault probability of each battery type battery at each time node based on the target database;
and if the fault probability is greater than a preset probability threshold, generating prompt information, wherein the prompt information is used for prompting the fault type which is possibly generated by the user.
In a second aspect, an apparatus for generating battery information is further provided, including:
the first acquisition unit is used for acquiring all battery information of a first battery before a first moment, and recording the battery information as first battery information of the first battery, wherein the first moment is the moment when the battery stops being used on an electric automobile;
a second acquisition unit configured to acquire second battery information of the first battery based on a continued detection of the first battery;
and the first generation unit is used for generating third battery information of the first battery according to the first battery information and the second battery information.
Optionally, the first battery information and the second battery information each include: basic information and fault information, wherein the basic information comprises: battery model, battery equipment sign, charge time and discharge time, the fault information includes: time to failure, type of failure, and cause of failure.
Optionally, the apparatus further comprises:
a saving unit configured to save the third battery information of the first battery to a target database.
Optionally, when the second battery of the electric vehicle fails, the apparatus further includes:
the first determining unit is used for traversing the target database and determining a third battery matched with the basic information of the second battery;
and the second determination unit is used for determining the fault type and the fault reason of the second battery based on the fault information of the third battery.
Optionally, the second determining unit includes:
the first determining subunit is configured to traverse the fault information of the third battery, and determine a fourth battery that matches the fault time of the second battery, where the fourth battery is included in the third battery;
and the second determining subunit is used for determining the fault type and the fault reason of the second battery based on the fault type and the fault reason of the fourth battery.
Optionally, the apparatus further comprises:
a third determination unit configured to determine a replacement time or a replacement condition of the battery of each battery type based on the target database.
Optionally, the apparatus further comprises:
the estimation unit is used for estimating the fault probability of each battery type of the battery at each time node based on the target database;
and the second generation unit is used for generating prompt information if the fault probability is greater than a preset probability threshold, wherein the prompt information is used for prompting the fault type which possibly occurs to the user.
In a third aspect, an embodiment of the present application further provides an apparatus, where the apparatus includes a processor and a memory:
the memory is used for storing a computer program;
the processor is configured to perform the method provided by the first aspect above according to the computer program.
In a fourth aspect, this embodiment of the present application further provides a computer-readable storage medium, where the computer-readable storage medium is configured to store a computer program, where the computer program is configured to execute the method provided in the first aspect.
It can be seen that, in an embodiment of the present application, a method for generating battery information is provided, including: when the battery is used on the electric automobile, recording first battery information of the battery; after the battery is replaced from the electric automobile, the battery can be continuously detected, for example, continuously used on a test vehicle or tested in a laboratory, so as to obtain second battery information of the battery; then, third battery information of the battery in a longer life cycle of the battery can be generated based on the first battery information and the second battery information. Therefore, based on the characteristic that the battery is not in a scrapped state when being replaced, the battery information generated when the battery is used on the electric automobile is obtained, the battery information after the battery is replaced is obtained through continuous detection after the battery is replaced, and therefore the condition of the battery can be more comprehensively known through perfect battery information under the condition that the life cycle of the battery is as long as possible, specific information of the battery such as a time node of the battery needing to be replaced or a fault type of the battery is obtained through accurate evaluation, the experience of using the battery is improved, and the experience of using the BEV is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic flowchart of a method for generating battery information according to an embodiment of the present application;
fig. 2 is a schematic flow chart of another method for generating battery information according to an embodiment of the present disclosure;
FIG. 3 is a flowchart illustrating an example of step 206 in the embodiment of the present application;
fig. 4 is a schematic structural diagram of a device for generating battery information according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an apparatus according to an embodiment of the present application.
Detailed Description
As a core component of an electric vehicle, the condition of a battery plays an important role for the use, development and popularization of the electric vehicle. Then, the inventor researches and discovers that the battery of the electric automobile cannot be limited to recording the battery information when the battery is used on the electric automobile, and the condition of the battery can be more comprehensively understood.
Based on this, in the embodiment of the present application, a method for generating battery information is provided, including: when the battery is used on the electric automobile, recording first battery information of the battery; after the battery is replaced from the electric automobile, the battery can be continuously detected, for example, continuously used on a test vehicle or tested in a laboratory, so as to obtain second battery information of the battery; then, third battery information of the battery in a longer life cycle of the battery can be generated based on the first battery information and the second battery information.
Therefore, based on the characteristic that the battery is not in a scrapped state when being replaced, the battery information generated when the battery is used on the electric automobile is obtained, the battery information after the battery is replaced is obtained through continuous detection after the battery is replaced, and therefore the condition of the battery can be more comprehensively known through perfect battery information under the condition that the life cycle of the battery is as long as possible, specific information of the battery such as a time node of the battery needing to be replaced or a fault type of the battery is obtained through accurate evaluation, the experience of using the battery is improved, and the experience of using the BEV is improved.
The following describes a specific implementation manner of a method for generating battery information in the embodiments of the present application in detail by embodiments with reference to the drawings.
Fig. 1 is a schematic flow chart of a method for generating battery information according to an embodiment of the present disclosure. It is understood that for each battery, the steps described below in the corresponding embodiment of fig. 1 may be performed to obtain its corresponding third battery information as the first battery. Referring to fig. 1, the method may include, for example:
In particular, during the use of the battery in an electric vehicle, battery information (also referred to as battery data information) is generated. In one case, a piece of battery information is generated within a preset period for recording the condition of the battery within the period. Alternatively, when a battery fails, a piece of battery information may be triggered to be generated for recording the fault condition of the battery. In another case, the battery information may be generated continuously, and then, in order to save the storage space, the battery information may be processed by means of merging or the like and the processed battery information may be recorded.
The first battery information of the first battery may specifically include: basic information of the first battery and failure information thereof. The basic information mainly includes data items acquired by national standard requirements, data items acquired by car factories in a customized manner, and data items obtained by performing processing operations such as statistics or calculation based on the acquired data items, and the basic information may include, for example: battery model, battery device identification, charging time and discharging time, and the like, and the fault information may include, for example: time to failure, type of failure, and cause of failure.
It is understood that the first battery may be a battery used and replaced on the electric vehicle, a battery in use on the electric vehicle, or a battery to be used on the electric vehicle. When the first battery is a battery used and replaced on the electric vehicle, the first battery information may include battery information that is generated and recorded throughout the use of the battery before the first time of replacement. When the first battery is a battery in use on the electric vehicle, the first battery information may be all the battery information that has been currently generated and recorded, and the first battery information is continuously increased along with the increase of the battery use process until the first time point that the battery is replaced is reached, and is not increased. When the first battery is a battery to be used on the electric automobile, the first battery information is empty, the battery is waited to be used on the electric automobile, the first battery information is started to be increased continuously along with the lengthening of the battery using process until the first time point that the battery is replaced is reached, and the first battery information is not increased.
And 102, acquiring second battery information of the first battery based on the continuous detection of the first battery.
It is understood that after the first battery is replaced from the electric vehicle, the first battery may continue to be detected by the following methods, but not limited to: in one case, the first battery can be mounted on the test vehicle for further use; in another case, the first battery is subjected to a test in a laboratory for the conditions of charge and discharge, compression, impact, and the like.
In a specific implementation, in the process of continuously detecting the first battery, second battery information of the first battery may be obtained, where the second battery information specifically includes: basic information of the first battery and failure information thereof. The basic information may include, for example: battery model, battery device identification, charging time and discharging time, and the like, and the fault information may include, for example: time to failure, type of failure, and cause of failure. It should be noted that the information content corresponding to the second battery information is similar to that corresponding to the first battery information, and indicates that the obtained time is different from the process in which the battery is located.
It can be understood that, the steps 101 and 102 respectively obtain the first battery information during the use of the first battery on the electric vehicle and the second battery information during the continuous detection after the battery is replaced, so as to provide a data base for generating information which can embody the battery more perfectly.
And 103, generating third battery information of the first battery according to the first battery information and the second battery information.
Similar to the description of the first battery information and the second battery information, the third battery information may also include: basic information of the first battery and fault information thereof, wherein the basic information includes: battery model, battery equipment sign, charge time and discharge time, fault information includes: time to failure, type of failure, and cause of failure.
In a specific implementation, in one case, the first battery information and the second battery information may be directly summarized to generate third battery information including the first battery information and the second battery information. In another case, the first battery information and the second battery information may be processed to generate third battery information, where the third battery information may include only a part of the first battery information and the second battery information, and as an example, the first battery information and the second battery information may be processed in a manner that: and deleting the battery information which does not include the fault information in the first battery information and the second battery information, and merging the battery information which corresponds to the two adjacent faults and has the same fault type.
In some possible implementations, in order to provide a data base and a basis for the development of the battery and the electric vehicle by using the third battery information of the plurality of batteries, the embodiment of the present application may further include:
and 104, storing the third battery information of the first battery to a target database.
It can be understood that the target database is used for storing the third battery information of the plurality of first batteries as a parameter library of batteries of various types, and provides a comprehensive and reliable data base for users, battery manufacturers, electric vehicle manufacturers and researchers.
In this implementation, the target database may be used for determining fault-related information of a battery currently in use on the electric vehicle when the battery fails.
As an example, when the second battery of the electric vehicle fails, as shown in fig. 2, the embodiment of the present application may further include:
and step 206, determining the fault type and fault reason of the second battery based on the fault information of the third battery.
It can be understood that, according to the basic information of the second battery, a third battery matched with the basic information of the second battery can be found in the target database, where matching may refer to that the battery model in the target database is identical to the battery model of the second battery, or matching may also refer to that the battery model in the target database is identical to the battery model of the second battery and the charging and discharging time is substantially identical to the current charging and discharging time of the second battery.
In specific implementation, after the third battery is determined, the fault information corresponding to the third battery in the target database may be extracted, and the fault type and the fault reason of the second battery may be determined. As an example, as shown in fig. 3, the determining the fault type and the fault reason of the second battery based on the fault information of the third battery in step 206 may specifically include:
In a specific implementation, in the first step, after the third batteries are determined, the fault information of the third batteries, that is, the fault time, the fault type, and the fault cause of each third battery, may be extracted, for example: the failure information 1 of the third battery 1 includes: failure time-36 months, failure type-a, and failure cause-a, and failure information 2 of the third battery 2 includes: failure time-45 months, failure type-B, and failure cause-B, and failure information 3 of the third battery 3 includes: time to failure-48 months, failure type-C and failure cause-C. The second step, searching the failure time closest to the failure time of the second battery from the plurality of failure times of the plurality of third batteries, and determining the third battery corresponding to the closest failure time as the fourth battery, for example: assuming that the time to failure of the second battery is 35 months, it may be determined that the time to failure of the second battery matches the time to failure of the third battery 1, and then the third battery 1 may be determined as the fourth battery. Thirdly, integrating the fault type and the fault reason of the fourth battery to determine the possible fault type and the fault reason of the second battery, for example: and determining the fault type-A and the fault reason-a of the fourth battery as the possible fault type and fault reason of the current fault of the second battery, so that the fault type and fault reason of the second battery can be basically determined without complex processes such as unpacking detection and the like of the second battery.
It should be noted that, when a plurality of determined fourth batteries are provided, one or more fault types and fault reasons with high possibility may be determined as the fault type and fault reason of the second battery based on the number of fault types and fault reasons that each fourth battery has occurred at the fault time. At this time, in order to provide accurate data, the fault types and fault reasons of all the fourth batteries may also be displayed to the user for the user to know and judge.
In this implementation, the target database can also be used to estimate the optimal replacement time of each battery model, so as to reduce the replacement time of the battery as much as possible while ensuring the reliable and safe operation of the battery, thereby reducing the cost of using the electric vehicle for the user.
As an example, the embodiment of the present application may further include: based on the target database, replacement time or replacement condition of the battery for each battery type is determined. As can be understood, at present, the electric vehicle usually replaces the battery when the State of Health (SOH) of the battery is 80%, or replaces the battery after 3 years of use, but in the embodiment of the present application, the replacement time or the replacement condition of the battery of each battery model may be determined according to a target database including battery information of a large number of batteries, for example: the optimal replacement time of the P-type battery is 5 years, or the optimal replacement condition is that the SOH of the battery is 60%; another example is: the optimal replacement time for the Q-type battery is 4.5 years, or the optimal replacement condition is when the SOH of the battery is at 70%. Therefore, the battery nodes can be determined to be replaced more pertinently according to the specific conditions of the batteries, the service time of the batteries is prolonged, and the use experience of the user on the batteries and the electric automobile is improved.
In this implementation, the target database may also be used to estimate the time and probability of the occurrence of the fault, so as to give a prompt as far as possible when it is ensured that the fault has not occurred in the battery, improving the safety and reliability of the vehicle.
As an example, the embodiment of the present application may further include: s11, estimating the failure probability of each battery type battery at each time node based on the target database; and S12, if the fault probability is greater than the preset probability threshold, generating prompt information, wherein the prompt information is used for prompting the fault type which may occur to the user. For example: for a battery of a certain battery model, based on all the third battery information corresponding to the battery model in the target database, it is estimated that the failure probability of the battery model in 15 months is 0.2, the failure probability in 20 months is 0.7, and the failure probability in 35 months is 0.85, and assuming that the preset probability threshold of the battery model is 0.6, then a prompt message 1 and a prompt message 2 may be generated, where the prompt message 1 may be sent in about 20 months, and the failure probability 0.7 corresponds to a failure type that may occur, and the prompt message 2 may be sent in about 35 months, and the failure probability 0.85 corresponds to a failure type that may occur, as a prompt. The prompting content is used for prompting the user to pay attention to the possible fault type, and the prompting content can further comprise a fault reason corresponding to the possible fault type, so that the user can reasonably use the vehicle to avoid the fault.
Therefore, by the generation method of the battery information provided by the embodiment of the application, when the battery is used on the electric automobile, the first battery information of the battery is recorded; after the battery is replaced from the electric automobile, the battery can be continuously detected, for example, continuously used on a test vehicle or tested in a laboratory, so as to obtain second battery information of the battery; then, third battery information of the battery in a longer life cycle of the battery can be generated based on the first battery information and the second battery information. Therefore, based on the characteristic that the battery is not in a scrapped state when being replaced, the battery information generated when the battery is used on the electric automobile is obtained, the battery information after the battery is replaced is obtained through continuous detection after the battery is replaced, and therefore the condition of the battery can be more comprehensively known through perfect battery information under the condition that the life cycle of the battery is as long as possible, specific information of the battery such as a time node of the battery needing to be replaced or a fault type of the battery is obtained through accurate evaluation, the experience of using the battery is improved, and the experience of using the BEV is improved.
In addition, an embodiment of the present application further provides a device for generating battery information, as shown in fig. 4, the device 400 may include:
a first obtaining unit 401, configured to obtain all battery information of a first battery before a first time, which is a time when the battery stops being used on an electric vehicle, and note the battery information as first battery information of the first battery;
a second obtaining unit 402, configured to obtain second battery information of the first battery based on continuous detection of the first battery;
a first generating unit 403, configured to generate third battery information of the first battery according to the first battery information and the second battery information.
Optionally, the first battery information and the second battery information each include: basic information and fault information, wherein the basic information comprises: battery model, battery equipment sign, charge time and discharge time, the fault information includes: time to failure, type of failure, and cause of failure.
Optionally, the apparatus 400 further comprises:
a saving unit configured to save the third battery information of the first battery to a target database.
Optionally, when the second battery of the electric vehicle fails, the apparatus 400 further includes:
the first determining unit is used for traversing the target database and determining a third battery matched with the basic information of the second battery;
and the second determination unit is used for determining the fault type and the fault reason of the second battery based on the fault information of the third battery.
Optionally, the second determining unit includes:
the first determining subunit is configured to traverse the fault information of the third battery, and determine a fourth battery that matches the fault time of the second battery, where the fourth battery is included in the third battery;
and the second determining subunit is used for determining the fault type and the fault reason of the second battery based on the fault type and the fault reason of the fourth battery.
Optionally, the apparatus 400 further comprises:
a third determination unit configured to determine a replacement time or a replacement condition of the battery of each battery type based on the target database.
Optionally, the apparatus 400 further comprises:
the estimation unit is used for estimating the fault probability of each battery type of the battery at each time node based on the target database;
and the second generation unit is used for generating prompt information if the fault probability is greater than a preset probability threshold, wherein the prompt information is used for prompting the fault type which possibly occurs to the user.
The above description is related to the battery information generating apparatus 400, wherein specific implementation manners and achieved effects may refer to the description of the embodiment of the battery information generating method shown in fig. 1, and are not described herein again.
In addition, an apparatus 500 is further provided in an embodiment of the present application, as shown in fig. 5, the apparatus 500 includes a processor 501 and a memory 502:
the memory 502 is used for storing computer programs;
the processor 501 is configured to execute the method for generating the battery information according to any one implementation manner in the corresponding embodiment of fig. 1 according to the computer program.
In addition, an embodiment of the present application further provides a computer-readable storage medium, where the computer-readable storage medium is used to store a computer program, and the computer program is used to execute the method for generating the battery information in any implementation manner in the embodiment corresponding to fig. 1.
In the names of "first battery information", "first battery", and the like, the "first" mentioned in the embodiments of the present application is used only for name identification, and does not represent the first in order. The same applies to "second" etc.
As can be seen from the above description of the embodiments, those skilled in the art can clearly understand that all or part of the steps in the above embodiment methods can be implemented by software plus a general hardware platform. Based on such understanding, the technical solution of the present application may be embodied in the form of a software product, which may be stored in a storage medium, such as a read-only memory (ROM)/RAM, a magnetic disk, an optical disk, or the like, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network communication device such as a router) to execute the method according to the embodiments or some parts of the embodiments of the present application.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, the apparatus embodiments and the apparatus embodiments are substantially similar to the method embodiments and therefore are described in a relatively simple manner, and reference may be made to some of the descriptions of the method embodiments for relevant points. The above-described embodiments of the apparatus and device are merely illustrative, and the modules described as separate parts may or may not be physically separate, and the parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The above description is only a preferred embodiment of the present application and is not intended to limit the scope of the present application. It should be noted that, for a person skilled in the art, several improvements and modifications can be made without departing from the scope of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (16)
1. A method for generating battery information, comprising:
acquiring all battery information of a first battery before a first moment, and recording the battery information as the first battery information of the first battery, wherein the first moment is the moment when the battery stops being used on an electric automobile;
obtaining second battery information of the first battery based on continuous detection of the first battery, wherein the second battery information comprises: basic information and fault information, wherein the basic information comprises: battery model, battery equipment sign, charge time and discharge time, the fault information includes: time to failure, type of failure, and cause of failure;
and generating third battery information of the first battery according to the first battery information and the second battery information.
2. The method of claim 1, wherein the first battery information comprises: basic information and fault information, wherein the basic information comprises: battery model, battery equipment sign, charge time and discharge time, the fault information includes: time to failure, type of failure, and cause of failure.
3. The method of claim 2, further comprising:
and saving the third battery information of the first battery to a target database.
4. The method of claim 3, wherein when the second battery of the electric vehicle fails, the method further comprises:
traversing the target database, and determining a third battery matched with the basic information of the second battery;
and determining the fault type and fault reason of the second battery based on the fault information of the third battery.
5. The method of claim 4, wherein determining the type and cause of the fault of the second battery based on the fault information of the third battery comprises:
traversing fault information of the third battery, and determining a fourth battery matched with the fault time of the second battery, wherein the third battery comprises the fourth battery;
and determining the fault type and the fault reason of the second battery based on the fault type and the fault reason of the fourth battery.
6. The method of claim 3, further comprising:
based on the target database, a replacement time or a replacement condition of the battery for each battery type is determined.
7. The method of claim 3, further comprising:
estimating the fault probability of each battery type battery at each time node based on the target database;
and if the fault probability is greater than a preset probability threshold, generating prompt information, wherein the prompt information is used for prompting the fault type which is possibly generated by the user.
8. An apparatus for generating battery information, comprising:
the first acquisition unit is used for acquiring all battery information of a first battery before a first moment, and recording the battery information as first battery information of the first battery, wherein the first moment is the moment when the battery stops being used on an electric automobile;
a second obtaining unit, configured to obtain second battery information of the first battery based on continuous detection of the first battery, where the second battery information includes: basic information and fault information, wherein the basic information comprises: battery model, battery equipment sign, charge time and discharge time, the fault information includes: time to failure, type of failure, and cause of failure;
and the first generation unit is used for generating third battery information of the first battery according to the first battery information and the second battery information.
9. The apparatus of claim 8, wherein the first battery information and the second battery information each comprise: basic information and fault information, wherein the basic information comprises: battery model, battery equipment sign, charge time and discharge time, the fault information includes: time to failure, type of failure, and cause of failure.
10. The apparatus of claim 9, further comprising:
a saving unit configured to save the third battery information of the first battery to a target database.
11. The apparatus of claim 10, wherein when the second battery of the electric vehicle fails, the apparatus further comprises:
the first determining unit is used for traversing the target database and determining a third battery matched with the basic information of the second battery;
and the second determination unit is used for determining the fault type and the fault reason of the second battery based on the fault information of the third battery.
12. The apparatus of claim 11, wherein the second determining unit comprises:
the first determining subunit is configured to traverse the fault information of the third battery, and determine a fourth battery that matches the fault time of the second battery, where the fourth battery is included in the third battery;
and the second determining subunit is used for determining the fault type and the fault reason of the second battery based on the fault type and the fault reason of the fourth battery.
13. The apparatus of claim 10, further comprising:
a third determination unit configured to determine a replacement time or a replacement condition of the battery of each battery type based on the target database.
14. The apparatus of claim 10, further comprising:
the estimation unit is used for estimating the fault probability of each battery type of the battery at each time node based on the target database;
and the second generation unit is used for generating prompt information if the fault probability is greater than a preset probability threshold, wherein the prompt information is used for prompting the fault type which possibly occurs to the user.
15. An apparatus, comprising a processor and a memory:
the memory is used for storing a computer program;
the processor is configured to perform the method of any one of claims 1 to 7 in accordance with the computer program.
16. A computer-readable storage medium for storing a computer program for performing the method of any one of claims 1 to 7.
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